56055858 has 16 divisors (see below), whose sum is σ = 112289760. Its totient is φ = 18655616.

The previous prime is 56055827. The next prime is 56055893. The reversal of 56055858 is 85855065.

56055858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56055858² = 6284518432232328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3135 + ... + 11042.

It is an arithmetic number, because the mean of its divisors is an integer number (7018110).

Almost surely, 2^56055858 is an apocalyptic number.

56055858 is an abundant number, since it is smaller than the sum of its proper divisors (56233902).

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

56055858 is a wasteful number, since it uses less digits than its factorization.

56055858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14841.

The product of its (nonzero) digits is 240000, while the sum is 42.

The square root of 56055858 is about 7487.0460129480. The cubic root of 56055858 is about 382.7133996527.

The spelling of 56055858 in words is "fifty-six million, fifty-five thousand, eight hundred fifty-eight".