56473644 has 12 divisors (see below), whose sum is σ = 131771864. Its totient is φ = 18824544.

The previous prime is 56473633. The next prime is 56473657. The reversal of 56473644 is 44637465.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2353057 + ... + 2353080.

Almost surely, 2^56473644 is an apocalyptic number.

It is an amenable number.

56473644 is an abundant number, since it is smaller than the sum of its proper divisors (75298220).

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

56473644 is a wasteful number, since it uses less digits than its factorization.

56473644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706144 (or 4706142 counting only the distinct ones).

The product of its digits is 241920, while the sum is 39.

The square root of 56473644 is about 7514.8948096430. The cubic root of 56473644 is about 383.6618387949.

The spelling of 56473644 in words is "fifty-six million, four hundred seventy-three thousand, six hundred forty-four".