56407570555 has 16 divisors (see below), whose sum is σ = 77588521920. Its totient is φ = 38564692992.

The previous prime is 56407570553. The next prime is 56407570561. The reversal of 56407570555 is 55507570465.

56407570555 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 56407570555 - 2¹ = 56407570553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56407570499 and 56407570508.

It is not an unprimeable number, because it can be changed into a prime (56407570553) 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, 2379370 + ... + 2402959.

It is an arithmetic number, because the mean of its divisors is an integer number (4849282620).

Almost surely, 2^56407570555 is an apocalyptic number.

56407570555 is a deficient number, since it is larger than the sum of its proper divisors (21180951365).

56407570555 is a wasteful number, since it uses less digits than its factorization.

56407570555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782678.

The product of its (nonzero) digits is 3675000, while the sum is 49.

The spelling of 56407570555 in words is "fifty-six billion, four hundred seven million, five hundred seventy thousand, five hundred fifty-five".