56747828 has 12 divisors (see below), whose sum is σ = 99392832. Its totient is φ = 28349880.

The previous prime is 56747827. The next prime is 56747843. The reversal of 56747828 is 82874765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56747827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38 + ... + 10653.

It is an arithmetic number, because the mean of its divisors is an integer number (8282736).

Almost surely, 2^56747828 is an apocalyptic number.

It is an amenable number.

56747828 is a deficient number, since it is larger than the sum of its proper divisors (42645004).

56747828 is a wasteful number, since it uses less digits than its factorization.

56747828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12022 (or 12020 counting only the distinct ones).

The product of its digits is 752640, while the sum is 47.

The square root of 56747828 is about 7533.1154245770. The cubic root of 56747828 is about 384.2817394910.

It can be divided in two parts, 56747 and 828, that added together give a palindrome (57575).

The spelling of 56747828 in words is "fifty-six million, seven hundred forty-seven thousand, eight hundred twenty-eight".