56672408 has 16 divisors (see below), whose sum is σ = 114434880. Its totient is φ = 26156448.

The previous prime is 56672401. The next prime is 56672411. The reversal of 56672408 is 80427665.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56672401) 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, 272360 + ... + 272567.

It is an arithmetic number, because the mean of its divisors is an integer number (7152180).

Almost surely, 2^56672408 is an apocalyptic number.

It is an amenable number.

56672408 is an abundant number, since it is smaller than the sum of its proper divisors (57762472).

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

56672408 is a wasteful number, since it uses less digits than its factorization.

56672408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544946 (or 544942 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 56672408 is about 7528.1078632017. The cubic root of 56672408 is about 384.1114223827. Note that the first 3 decimals are identical.

The spelling of 56672408 in words is "fifty-six million, six hundred seventy-two thousand, four hundred eight".