56224542 has 32 divisors (see below), whose sum is σ = 129890304. Its totient is φ = 16035200.

The previous prime is 56224529. The next prime is 56224547. The reversal of 56224542 is 24542265.

It is a happy number.

It is a super-2 number, since 2×56224542² = 6322398246219528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56224547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23934 + ... + 26177.

It is an arithmetic number, because the mean of its divisors is an integer number (4059072).

Almost surely, 2^56224542 is an apocalyptic number.

56224542 is an abundant number, since it is smaller than the sum of its proper divisors (73665762).

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

56224542 is a wasteful number, since it uses less digits than its factorization.

56224542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50144.

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

The square root of 56224542 is about 7498.3026079240. The cubic root of 56224542 is about 383.0969039023.

The spelling of 56224542 in words is "fifty-six million, two hundred twenty-four thousand, five hundred forty-two".