56132216 has 16 divisors (see below), whose sum is σ = 120283440. Its totient is φ = 24056640.

The previous prime is 56132203. The next prime is 56132233. The reversal of 56132216 is 61223165.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 501125 + ... + 501236.

It is an arithmetic number, because the mean of its divisors is an integer number (7517715).

Almost surely, 2^56132216 is an apocalyptic number.

56132216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56132216 is an abundant number, since it is smaller than the sum of its proper divisors (64151224).

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

56132216 is a wasteful number, since it uses less digits than its factorization.

56132216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002374 (or 1002370 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 56132216 is about 7492.1436184846. The cubic root of 56132216 is about 382.8870952709.

The spelling of 56132216 in words is "fifty-six million, one hundred thirty-two thousand, two hundred sixteen".