55275256 has 64 divisors (see below), whose sum is σ = 115718400. Its totient is φ = 24634368.

The previous prime is 55275223. The next prime is 55275293. The reversal of 55275256 is 65257255.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339031 + ... + 339193.

It is an arithmetic number, because the mean of its divisors is an integer number (1808100).

Almost surely, 2^55275256 is an apocalyptic number.

It is an amenable number.

55275256 is an abundant number, since it is smaller than the sum of its proper divisors (60443144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55275256 is a wasteful number, since it uses less digits than its factorization.

55275256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 304 counting only the distinct ones).

The product of its digits is 105000, while the sum is 37.

The square root of 55275256 is about 7434.7330819606. The cubic root of 55275256 is about 380.9286061095.

The spelling of 55275256 in words is "fifty-five million, two hundred seventy-five thousand, two hundred fifty-six".