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55550050 = 2521765353
BaseRepresentation
bin1101001111101…
…0000001100010
310212112020100021
43103322001202
5103210100200
65302344054
71243111333
oct323720142
9125466307
1055550050
11293a1636
121672b02a
13b67c66a
14754028a
154d2441a
hex34fa062

55550050 has 24 divisors (see below), whose sum is σ = 109402596. Its totient is φ = 20912640.

The previous prime is 55550041. The next prime is 55550059. The reversal of 55550050 is 5005555.

It is an interprime number because it is at equal distance from previous prime (55550041) and next prime (55550059).

It can be written as a sum of positive squares in 6 ways, for example, as 40081561 + 15468489 = 6331^2 + 3933^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a junction number, because it is equal to n+sod(n) for n = 55549997 and 55550024.

It is not an unprimeable number, because it can be changed into a prime (55550059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31827 + ... + 33526.

Almost surely, 255550050 is an apocalyptic number.

55550050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55550050 is a deficient number, since it is larger than the sum of its proper divisors (53852546).

55550050 is a wasteful number, since it uses less digits than its factorization.

55550050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65382 (or 65377 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

The square root of 55550050 is about 7453.1905919546. The cubic root of 55550050 is about 381.5588091923.

It can be divided in two parts, 555 and 50050, that added together give a palindrome (50605).

The spelling of 55550050 in words is "fifty-five million, five hundred fifty thousand, fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 425 850 65353 130706 326765 653530 1111001 1633825 2222002 3267650 5555005 11110010 27775025 55550050