56838766 has 16 divisors (see below), whose sum is σ = 91013760. Its totient is φ = 26543160.

The previous prime is 56838739. The next prime is 56838781. The reversal of 56838766 is 66783865.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7836 + ... + 13231.

It is an arithmetic number, because the mean of its divisors is an integer number (5688360).

Almost surely, 2^56838766 is an apocalyptic number.

56838766 is a deficient number, since it is larger than the sum of its proper divisors (34174994).

56838766 is a wasteful number, since it uses less digits than its factorization.

56838766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21159.

The product of its digits is 1451520, while the sum is 49.

The square root of 56838766 is about 7539.1488909558. The cubic root of 56838766 is about 384.4868995465.

The spelling of 56838766 in words is "fifty-six million, eight hundred thirty-eight thousand, seven hundred sixty-six".