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55925 = 522237
BaseRepresentation
bin1101101001110101
32211201022
431221311
53242200
61110525
7322022
oct155165
984638
1055925
1139021
1228445
131c5bc
1416549
1511885
hexda75

55925 has 6 divisors (see below), whose sum is σ = 69378. Its totient is φ = 44720.

The previous prime is 55921. The next prime is 55927. The reversal of 55925 is 52955.

55925 = T54 + T55 + ... + T78.

It can be written as a sum of positive squares in 3 ways, for example, as 8836 + 47089 = 94^2 + 217^2 .

It is not a de Polignac number, because 55925 - 22 = 55921 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 55894 and 55903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1094 + ... + 1143.

It is an arithmetic number, because the mean of its divisors is an integer number (11563).

255925 is an apocalyptic number.

It is an amenable number.

55925 is a deficient number, since it is larger than the sum of its proper divisors (13453).

55925 is a wasteful number, since it uses less digits than its factorization.

55925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247 (or 2242 counting only the distinct ones).

The product of its digits is 2250, while the sum is 26.

The square root of 55925 is about 236.4846718077. The cubic root of 55925 is about 38.2415362822.

The spelling of 55925 in words is "fifty-five thousand, nine hundred twenty-five".

Divisors: 1 5 25 2237 11185 55925