56540244 has 24 divisors (see below), whose sum is σ = 132129088. Its totient is φ = 18817920.

The previous prime is 56540243. The next prime is 56540269. The reversal of 56540244 is 44204565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56540243) 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, 5484 + ... + 11964.

Almost surely, 2^56540244 is an apocalyptic number.

It is an amenable number.

56540244 is an abundant number, since it is smaller than the sum of its proper divisors (75588844).

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

56540244 is a wasteful number, since it uses less digits than its factorization.

56540244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7215 (or 7213 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 56540244 is about 7519.3247037217. The cubic root of 56540244 is about 383.8125984454.

The spelling of 56540244 in words is "fifty-six million, five hundred forty thousand, two hundred forty-four".