56555055 has 24 divisors (see below), whose sum is σ = 100681152. Its totient is φ = 29346624.

The previous prime is 56555047. The next prime is 56555063. The reversal of 56555055 is 55055565.

56555055 is a `hidden beast` number, since 56 + 5 + 550 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (56555047) and next prime (56555063).

It is not a de Polignac number, because 56555055 - 2³ = 56555047 is a prime.

It is a congruent number.

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, 15319 + ... + 18648.

It is an arithmetic number, because the mean of its divisors is an integer number (4195048).

Almost surely, 2^56555055 is an apocalyptic number.

56555055 is a deficient number, since it is larger than the sum of its proper divisors (44126097).

56555055 is a wasteful number, since it uses less digits than its factorization.

56555055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34015 (or 34012 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The square root of 56555055 is about 7520.3095016096. The cubic root of 56555055 is about 383.8461093967.

The spelling of 56555055 in words is "fifty-six million, five hundred fifty-five thousand, fifty-five".