56966855 has 8 divisors (see below), whose sum is σ = 74574864. Its totient is φ = 41430400.

The previous prime is 56966843. The next prime is 56966879. The reversal of 56966855 is 55866965.

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

It is not a de Polignac number, because 56966855 - 2¹⁴ = 56950471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517826 + ... + 517935.

It is an arithmetic number, because the mean of its divisors is an integer number (9321858).

Almost surely, 2^56966855 is an apocalyptic number.

56966855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56966855 is a deficient number, since it is larger than the sum of its proper divisors (17608009).

56966855 is a wasteful number, since it uses less digits than its factorization.

56966855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035777.

The product of its digits is 1944000, while the sum is 50.

The square root of 56966855 is about 7547.6390348241. The cubic root of 56966855 is about 384.7755030091.

The spelling of 56966855 in words is "fifty-six million, nine hundred sixty-six thousand, eight hundred fifty-five".