56449976 has 32 divisors (see below), whose sum is σ = 116398080. Its totient is φ = 25452000.

The previous prime is 56449957. The next prime is 56450033. The reversal of 56449976 is 67994465.

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, 8651 + ... + 13701.

It is an arithmetic number, because the mean of its divisors is an integer number (3637440).

Almost surely, 2^56449976 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 56449976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58199040).

56449976 is an abundant number, since it is smaller than the sum of its proper divisors (59948104).

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

56449976 is a wasteful number, since it uses less digits than its factorization.

56449976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195 (or 5191 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 50.

The square root of 56449976 is about 7513.3199053414. The cubic root of 56449976 is about 383.6082339827.

The spelling of 56449976 in words is "fifty-six million, four hundred forty-nine thousand, nine hundred seventy-six".