56732866 has 8 divisors (see below), whose sum is σ = 86541840. Its totient is φ = 27885588.

The previous prime is 56732857. The next prime is 56732873. The reversal of 56732866 is 66823765.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240276 + ... + 240511.

It is an arithmetic number, because the mean of its divisors is an integer number (10817730).

Almost surely, 2^56732866 is an apocalyptic number.

56732866 is a deficient number, since it is larger than the sum of its proper divisors (29808974).

56732866 is a wasteful number, since it uses less digits than its factorization.

56732866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480848.

The product of its digits is 362880, while the sum is 43.

The square root of 56732866 is about 7532.1222772868. The cubic root of 56732866 is about 384.2479635800.

It can be divided in two parts, 567 and 32866, that added together give a palindrome (33433).

The spelling of 56732866 in words is "fifty-six million, seven hundred thirty-two thousand, eight hundred sixty-six".