56756791 has 12 divisors (see below), whose sum is σ = 70239792. Its totient is φ = 44905536.

The previous prime is 56756789. The next prime is 56756803. The reversal of 56756791 is 19765765.

It is a happy number.

It is not a de Polignac number, because 56756791 - 2¹ = 56756789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56756701) 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, 22806 + ... + 25171.

It is an arithmetic number, because the mean of its divisors is an integer number (5853316).

Almost surely, 2^56756791 is an apocalyptic number.

56756791 is a deficient number, since it is larger than the sum of its proper divisors (13483001).

56756791 is a wasteful number, since it uses less digits than its factorization.

56756791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48010 (or 47997 counting only the distinct ones).

The product of its digits is 396900, while the sum is 46.

The square root of 56756791 is about 7533.7103076771. The cubic root of 56756791 is about 384.3019701385.

The spelling of 56756791 in words is "fifty-six million, seven hundred fifty-six thousand, seven hundred ninety-one".