56777408 has 28 divisors (see below), whose sum is σ = 114357912. Its totient is φ = 27962880.

The previous prime is 56777407. The next prime is 56777437. The reversal of 56777408 is 80477765.

It is not an unprimeable number, because it can be changed into a prime (56777401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2333 + ... + 10908.

Almost surely, 2^56777408 is an apocalyptic number.

It is an amenable number.

56777408 is an abundant number, since it is smaller than the sum of its proper divisors (57580504).

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

56777408 is a wasteful number, since it uses less digits than its factorization.

56777408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13320 (or 13310 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 56777408 is about 7535.0784999229. The cubic root of 56777408 is about 384.3484972848.

The spelling of 56777408 in words is "fifty-six million, seven hundred seventy-seven thousand, four hundred eight".