56394672 has 80 divisors (see below), whose sum is σ = 151240320. Its totient is φ = 18095616.

The previous prime is 56394659. The next prime is 56394691. The reversal of 56394672 is 27649365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183543 + ... + 183849.

It is an arithmetic number, because the mean of its divisors is an integer number (1890504).

Almost surely, 2^56394672 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 56394672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75620160).

56394672 is an abundant number, since it is smaller than the sum of its proper divisors (94845648).

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

56394672 is a wasteful number, since it uses less digits than its factorization.

56394672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 444 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 56394672 is about 7509.6386064843. The cubic root of 56394672 is about 383.4829194820.

The spelling of 56394672 in words is "fifty-six million, three hundred ninety-four thousand, six hundred seventy-two".