56777684 has 12 divisors (see below), whose sum is σ = 102046644. Its totient is φ = 27621504.

The previous prime is 56777683. The next prime is 56777701. The reversal of 56777684 is 48677765.

It can be written as a sum of positive squares in 2 ways, for example, as 39967684 + 16810000 = 6322^2 + 4100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56777683) 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, 191669 + ... + 191964.

It is an arithmetic number, because the mean of its divisors is an integer number (8503887).

Almost surely, 2^56777684 is an apocalyptic number.

It is an amenable number.

56777684 is a deficient number, since it is larger than the sum of its proper divisors (45268960).

56777684 is a wasteful number, since it uses less digits than its factorization.

56777684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383674 (or 383672 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 50.

The square root of 56777684 is about 7535.0968142420. The cubic root of 56777684 is about 384.3491200678.

The spelling of 56777684 in words is "fifty-six million, seven hundred seventy-seven thousand, six hundred eighty-four".