56662992 has 60 divisors (see below), whose sum is σ = 162283264. Its totient is φ = 18446400.

The previous prime is 56662981. The next prime is 56663003. The reversal of 56662992 is 29926665.

It is an interprime number because it is at equal distance from previous prime (56662981) and next prime (56663003).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1617 + ... + 10767.

Almost surely, 2^56662992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56662992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81141632).

56662992 is an abundant number, since it is smaller than the sum of its proper divisors (105620272).

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

56662992 is a wasteful number, since it uses less digits than its factorization.

56662992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9208 (or 9199 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 56662992 is about 7527.4824476713. The cubic root of 56662992 is about 384.0901481059.

The spelling of 56662992 in words is "fifty-six million, six hundred sixty-two thousand, nine hundred ninety-two".