56515510029 has 64 divisors (see below), whose sum is σ = 85856993280. Its totient is φ = 32764032000.

The previous prime is 56515510019. The next prime is 56515510033. The reversal of 56515510029 is 92001551565.

56515510029 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 56515510029 - 2⁸ = 56515509773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56515510019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41524309 + ... + 41525669.

It is an arithmetic number, because the mean of its divisors is an integer number (1341515520).

Almost surely, 2^56515510029 is an apocalyptic number.

It is an amenable number.

56515510029 is a deficient number, since it is larger than the sum of its proper divisors (29341483251).

56515510029 is a wasteful number, since it uses less digits than its factorization.

56515510029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962.

The product of its (nonzero) digits is 67500, while the sum is 39.

The spelling of 56515510029 in words is "fifty-six billion, five hundred fifteen million, five hundred ten thousand, twenty-nine".