56446672 has 10 divisors (see below), whose sum is σ = 109365458. Its totient is φ = 28223328.

The previous prime is 56446667. The next prime is 56446697. The reversal of 56446672 is 27664465.

It can be written as a sum of positive squares in only one way, i.e., 54997056 + 1449616 = 7416^2 + 1204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1763943 + ... + 1763974.

Almost surely, 2^56446672 is an apocalyptic number.

It is an amenable number.

56446672 is a deficient number, since it is larger than the sum of its proper divisors (52918786).

56446672 is a wasteful number, since it uses less digits than its factorization.

56446672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527925 (or 3527919 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 56446672 is about 7513.1000259547. The cubic root of 56446672 is about 383.6007496788.

The spelling of 56446672 in words is "fifty-six million, four hundred forty-six thousand, six hundred seventy-two".