56747826 has 12 divisors (see below), whose sum is σ = 122953662. Its totient is φ = 18915936.

The previous prime is 56747797. The next prime is 56747827. The reversal of 56747826 is 62874765.

56747826 is a `hidden beast` number, since 567 + 4 + 7 + 82 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40947201 + 15800625 = 6399^2 + 3975^2 .

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 5 ways as a sum of consecutive naturals, for example, 1576311 + ... + 1576346.

Almost surely, 2^56747826 is an apocalyptic number.

56747826 is an abundant number, since it is smaller than the sum of its proper divisors (66205836).

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

56747826 is a wasteful number, since it uses less digits than its factorization.

56747826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152665 (or 3152662 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 56747826 is about 7533.1152918298. The cubic root of 56747826 is about 384.2817349765.

The spelling of 56747826 in words is "fifty-six million, seven hundred forty-seven thousand, eight hundred twenty-six".