56667432 has 32 divisors (see below), whose sum is σ = 142084800. Its totient is φ = 18833664.

The previous prime is 56667419. The next prime is 56667433. The reversal of 56667432 is 23476665.

It is a super-2 number, since 2×56667432² = 6422395698949248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56667433) 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 7 ways as a sum of consecutive naturals, for example, 5328 + ... + 11904.

It is an arithmetic number, because the mean of its divisors is an integer number (4440150).

Almost surely, 2^56667432 is an apocalyptic number.

It is an amenable number.

56667432 is an abundant number, since it is smaller than the sum of its proper divisors (85417368).

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

56667432 is a wasteful number, since it uses less digits than its factorization.

56667432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945 (or 6941 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 56667432 is about 7527.7773612136. Note that the first 3 decimals coincide. The cubic root of 56667432 is about 384.1001800254.

The spelling of 56667432 in words is "fifty-six million, six hundred sixty-seven thousand, four hundred thirty-two".