56445612 has 24 divisors (see below), whose sum is σ = 132582912. Its totient is φ = 18690000.

The previous prime is 56445589. The next prime is 56445619. The reversal of 56445612 is 21654465.

It is a super-2 number, since 2×56445612² = 6372214228109088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56445619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13764 + ... + 17387.

It is an arithmetic number, because the mean of its divisors is an integer number (5524288).

Almost surely, 2^56445612 is an apocalyptic number.

It is an amenable number.

56445612 is an abundant number, since it is smaller than the sum of its proper divisors (76137300).

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

56445612 is a wasteful number, since it uses less digits than its factorization.

56445612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31309 (or 31307 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 56445612 is about 7513.0294821730. The cubic root of 56445612 is about 383.5983484782.

The spelling of 56445612 in words is "fifty-six million, four hundred forty-five thousand, six hundred twelve".