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54422445 = 3571147119
BaseRepresentation
bin1100111110011…
…0101110101101
310210101221120010
43033212232231
5102413004240
65222243433
71230404010
oct317465655
9123357503
1054422445
11287a1430
1216286579
13b37633c
147329377
154ba0280
hex33e6bad

54422445 has 32 divisors (see below), whose sum is σ = 108564480. Its totient is φ = 22616640.

The previous prime is 54422429. The next prime is 54422483.

54422445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54422445 - 24 = 54422429 is a prime.

It is a super-3 number, since 3×544224453 (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22405 + ... + 24714.

It is an arithmetic number, because the mean of its divisors is an integer number (3392640).

Almost surely, 254422445 is an apocalyptic number.

54422445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54422445 is a deficient number, since it is larger than the sum of its proper divisors (54142035).

54422445 is a wasteful number, since it uses less digits than its factorization.

54422445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47145.

The product of its digits is 25600, while the sum is 30.

The square root of 54422445 is about 7377.1569727097. The cubic root of 54422445 is about 378.9593990708.

It can be divided in two parts, 5442 and 2445, that added together give a palindrome (7887).

The spelling of 54422445 in words is "fifty-four million, four hundred twenty-two thousand, four hundred forty-five".

Divisors: 1 3 5 7 11 15 21 33 35 55 77 105 165 231 385 1155 47119 141357 235595 329833 518309 706785 989499 1554927 1649165 2591545 3628163 4947495 7774635 10884489 18140815 54422445