56542244 has 12 divisors (see below), whose sum is σ = 107944368. Its totient is φ = 25701000.

The previous prime is 56542231. The next prime is 56542247. The reversal of 56542244 is 44224565.

It is a self number, because there is not a number n which added to its sum of digits gives 56542244.

It is not an unprimeable number, because it can be changed into a prime (56542247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642482 + ... + 642569.

It is an arithmetic number, because the mean of its divisors is an integer number (8995364).

Almost surely, 2^56542244 is an apocalyptic number.

It is an amenable number.

56542244 is a deficient number, since it is larger than the sum of its proper divisors (51402124).

56542244 is a wasteful number, since it uses less digits than its factorization.

56542244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285066 (or 1285064 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 56542244 is about 7519.4576932117. The cubic root of 56542244 is about 383.8171239308.

The spelling of 56542244 in words is "fifty-six million, five hundred forty-two thousand, two hundred forty-four".