56415444 has 24 divisors (see below), whose sum is σ = 132323520. Its totient is φ = 18706944.

The previous prime is 56415431. The next prime is 56415461. The reversal of 56415444 is 44451465.

It is a congruent number.

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, 9864 + ... + 14495.

It is an arithmetic number, because the mean of its divisors is an integer number (5513480).

Almost surely, 2^56415444 is an apocalyptic number.

It is an amenable number.

56415444 is an abundant number, since it is smaller than the sum of its proper divisors (75908076).

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

56415444 is a wasteful number, since it uses less digits than its factorization.

56415444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24559 (or 24557 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 56415444 is about 7511.0215017666. The cubic root of 56415444 is about 383.5299967980.

The spelling of 56415444 in words is "fifty-six million, four hundred fifteen thousand, four hundred forty-four".