56574040 has 32 divisors (see below), whose sum is σ = 128087280. Its totient is φ = 22488192.

The previous prime is 56573987. The next prime is 56574047. The reversal of 56574040 is 4047565.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 56573993 and 56574011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56574047) 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, 2182 + ... + 10858.

Almost surely, 2^56574040 is an apocalyptic number.

It is an amenable number.

56574040 is an abundant number, since it is smaller than the sum of its proper divisors (71513240).

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

56574040 is a wasteful number, since it uses less digits than its factorization.

56574040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8851 (or 8847 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 56574040 is about 7521.5716442775. The cubic root of 56574040 is about 383.8890557677.

The spelling of 56574040 in words is "fifty-six million, five hundred seventy-four thousand, forty".