56455555057 has 16 divisors (see below), whose sum is σ = 64839568320. Its totient is φ = 48614342400.

The previous prime is 56455555049. The next prime is 56455555063. The reversal of 56455555057 is 75055555465.

56455555057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56455555057 - 2³ = 56455555049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56455554995 and 56455555013.

It is not an unprimeable number, because it can be changed into a prime (56455555757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1602957 + ... + 1637797.

It is an arithmetic number, because the mean of its divisors is an integer number (4052473020).

Almost surely, 2^56455555057 is an apocalyptic number.

It is an amenable number.

56455555057 is a deficient number, since it is larger than the sum of its proper divisors (8384013263).

56455555057 is a wasteful number, since it uses less digits than its factorization.

56455555057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42624.

The product of its (nonzero) digits is 13125000, while the sum is 52.

The spelling of 56455555057 in words is "fifty-six billion, four hundred fifty-five million, five hundred fifty-five thousand, fifty-seven".