55825056 has 72 divisors (see below), whose sum is σ = 181437984. Its totient is φ = 15949440.

The previous prime is 55825043. The next prime is 55825069. The reversal of 55825056 is 65052855.

55825056 is a `hidden beast` number, since 558 + 2 + 50 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (55825043) and next prime (55825069).

It is a tau number, because it is divible by the number of its divisors (72).

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 55825056.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11830 + ... + 15861.

It is an arithmetic number, because the mean of its divisors is an integer number (2519972).

Almost surely, 2^55825056 is an apocalyptic number.

55825056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55825056 is an abundant number, since it is smaller than the sum of its proper divisors (125612928).

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

55825056 is a wasteful number, since it uses less digits than its factorization.

55825056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27714 (or 27703 counting only the distinct ones).

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

The square root of 55825056 is about 7471.6166925238. The cubic root of 55825056 is about 382.1874211650.

The spelling of 55825056 in words is "fifty-five million, eight hundred twenty-five thousand, fifty-six".