56899992 has 16 divisors (see below), whose sum is σ = 142250040. Its totient is φ = 18966656.

The previous prime is 56899991. The next prime is 56899993. The reversal of 56899992 is 29999865.

It is an interprime number because it is at equal distance from previous prime (56899991) and next prime (56899993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56899991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1185393 + ... + 1185440.

Almost surely, 2^56899992 is an apocalyptic number.

It is an amenable number.

56899992 is an abundant number, since it is smaller than the sum of its proper divisors (85350048).

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

56899992 is a wasteful number, since it uses less digits than its factorization.

56899992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370842 (or 2370838 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 57.

The square root of 56899992 is about 7543.2083359801. The cubic root of 56899992 is about 384.6249048146.

The spelling of 56899992 in words is "fifty-six million, eight hundred ninety-nine thousand, nine hundred ninety-two".