56045644 has 24 divisors (see below), whose sum is σ = 101606400. Its totient is φ = 27021840.

The previous prime is 56045597. The next prime is 56045657. The reversal of 56045644 is 44654065.

It is a super-2 number, since 2×56045644² = 6282228422749472, which contains 22 as substring.

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, 43887 + ... + 45145.

It is an arithmetic number, because the mean of its divisors is an integer number (4233600).

Almost surely, 2^56045644 is an apocalyptic number.

It is an amenable number.

56045644 is a deficient number, since it is larger than the sum of its proper divisors (45560756).

56045644 is a wasteful number, since it uses less digits than its factorization.

56045644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 56045644 is about 7486.3638703980. The cubic root of 56045644 is about 382.6901533632.

The spelling of 56045644 in words is "fifty-six million, forty-five thousand, six hundred forty-four".