55051056 has 120 divisors (see below), whose sum is σ = 167243760. Its totient is φ = 17335296.

The previous prime is 55051033. The next prime is 55051067. The reversal of 55051056 is 65015055.

55051056 is a `hidden beast` number, since 550 + 5 + 105 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155776 + ... + 156128.

It is an arithmetic number, because the mean of its divisors is an integer number (1393698).

Almost surely, 2^55051056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55051056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83621880).

55051056 is an abundant number, since it is smaller than the sum of its proper divisors (112192704).

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

55051056 is a wasteful number, since it uses less digits than its factorization.

55051056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 55051056 is about 7419.6398834445. The cubic root of 55051056 is about 380.4128845560.

It can be divided in two parts, 5505 and 1056, that added together give a 8-th power (6561 = 3⁸).

The spelling of 55051056 in words is "fifty-five million, fifty-one thousand, fifty-six".