55508256 has 36 divisors (see below), whose sum is σ = 157852422. Its totient is φ = 18502656.

The previous prime is 55508249. The next prime is 55508273. The reversal of 55508256 is 65280555.

It can be written as a sum of positive squares in only one way, i.e., 28259856 + 27248400 = 5316^2 + 5220^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55508256.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96081 + ... + 96656.

Almost surely, 2^55508256 is an apocalyptic number.

It is an amenable number.

55508256 is an abundant number, since it is smaller than the sum of its proper divisors (102344166).

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

55508256 is a wasteful number, since it uses less digits than its factorization.

55508256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192753 (or 192742 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 55508256 is about 7450.3862987096. The cubic root of 55508256 is about 381.4630944880.

The spelling of 55508256 in words is "fifty-five million, five hundred eight thousand, two hundred fifty-six".