56690023536 has 120 divisors (see below), whose sum is σ = 166143178656. Its totient is φ = 18010460160.

The previous prime is 56690023483. The next prime is 56690023561. The reversal of 56690023536 is 63532009665.

56690023536 is a `hidden beast` number, since 5 + 6 + 6 + 90 + 0 + 23 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 56690023491 and 56690023500.

It is a congruent number.

It is an unprimeable number.

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, 900216 + ... + 961128.

Almost surely, 2^56690023536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56690023536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83071589328).

56690023536 is an abundant number, since it is smaller than the sum of its proper divisors (109453155120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56690023536 is a wasteful number, since it uses less digits than its factorization.

56690023536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61231 (or 61222 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 45.

The spelling of 56690023536 in words is "fifty-six billion, six hundred ninety million, twenty-three thousand, five hundred thirty-six".