56899278 has 12 divisors (see below), whose sum is σ = 123281808. Its totient is φ = 18966420.

The previous prime is 56899253. The next prime is 56899307. The reversal of 56899278 is 87299865.

It is a happy number.

56899278 is a `hidden beast` number, since 568 + 9 + 9 + 2 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1580518 + ... + 1580553.

It is an arithmetic number, because the mean of its divisors is an integer number (10273484).

Almost surely, 2^56899278 is an apocalyptic number.

56899278 is an abundant number, since it is smaller than the sum of its proper divisors (66382530).

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

56899278 is a wasteful number, since it uses less digits than its factorization.

56899278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161079 (or 3161076 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 56899278 is about 7543.1610084897. The cubic root of 56899278 is about 384.6232960075.

The spelling of 56899278 in words is "fifty-six million, eight hundred ninety-nine thousand, two hundred seventy-eight".