56768436 has 36 divisors (see below), whose sum is σ = 147001764. Its totient is φ = 18460800.

The previous prime is 56768381. The next prime is 56768449. The reversal of 56768436 is 63486765.

56768436 is a `hidden beast` number, since 567 + 6 + 84 + 3 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5788836 + 50979600 = 2406^2 + 7140^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 56768391 and 56768400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17755 + ... + 20706.

Almost surely, 2^56768436 is an apocalyptic number.

It is an amenable number.

56768436 is an abundant number, since it is smaller than the sum of its proper divisors (90233328).

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

56768436 is a wasteful number, since it uses less digits than its factorization.

56768436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38512 (or 38507 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 56768436 is about 7534.4831275941. The cubic root of 56768436 is about 384.3282512251.

The spelling of 56768436 in words is "fifty-six million, seven hundred sixty-eight thousand, four hundred thirty-six".