56777232 has 40 divisors (see below), whose sum is σ = 147108640. Its totient is φ = 18869760.

The previous prime is 56777197. The next prime is 56777239. The reversal of 56777232 is 23277765.

It is not an unprimeable number, because it can be changed into a prime (56777239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16632 + ... + 19752.

It is an arithmetic number, because the mean of its divisors is an integer number (3677716).

Almost surely, 2^56777232 is an apocalyptic number.

It is an amenable number.

56777232 is an abundant number, since it is smaller than the sum of its proper divisors (90331408).

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

56777232 is a wasteful number, since it uses less digits than its factorization.

56777232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511 (or 3505 counting only the distinct ones).

The product of its digits is 123480, while the sum is 39.

The square root of 56777232 is about 7535.0668212034. The cubic root of 56777232 is about 384.3481001467.

The spelling of 56777232 in words is "fifty-six million, seven hundred seventy-seven thousand, two hundred thirty-two".