56535829839 has 24 divisors (see below), whose sum is σ = 84187560912. Its totient is φ = 36537022080.

The previous prime is 56535829807. The next prime is 56535829841. The reversal of 56535829839 is 93892853565.

56535829839 is a `hidden beast` number, since 5 + 6 + 535 + 8 + 2 + 98 + 3 + 9 = 666.

It is not a de Polignac number, because 56535829839 - 2⁵ = 56535829807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56535822839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430009 + ... + 545874.

It is an arithmetic number, because the mean of its divisors is an integer number (3507815038).

Almost surely, 2^56535829839 is an apocalyptic number.

56535829839 is a deficient number, since it is larger than the sum of its proper divisors (27651731073).

56535829839 is a wasteful number, since it uses less digits than its factorization.

56535829839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976087 (or 976084 counting only the distinct ones).

The product of its digits is 69984000, while the sum is 63.

The spelling of 56535829839 in words is "fifty-six billion, five hundred thirty-five million, eight hundred twenty-nine thousand, eight hundred thirty-nine".