56890035639 has 12 divisors (see below), whose sum is σ = 85217996136. Its totient is φ = 37926690264.

The previous prime is 56890035637. The next prime is 56890035649. The reversal of 56890035639 is 93653009865.

It is not a de Polignac number, because 56890035639 - 2¹ = 56890035637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56890035637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117057444 + ... + 117057929.

It is an arithmetic number, because the mean of its divisors is an integer number (7101499678).

Almost surely, 2^56890035639 is an apocalyptic number.

56890035639 is a deficient number, since it is larger than the sum of its proper divisors (28327960497).

56890035639 is an equidigital number, since it uses as much as digits as its factorization.

56890035639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234115388 (or 234115376 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 56890035639 in words is "fifty-six billion, eight hundred ninety million, thirty-five thousand, six hundred thirty-nine".