56389224 has 32 divisors (see below), whose sum is σ = 145836000. Its totient is φ = 18148032.

The previous prime is 56389213. The next prime is 56389231. The reversal of 56389224 is 42298365.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 39814 + ... + 41205.

It is an arithmetic number, because the mean of its divisors is an integer number (4557375).

Almost surely, 2^56389224 is an apocalyptic number.

It is an amenable number.

56389224 is an abundant number, since it is smaller than the sum of its proper divisors (89446776).

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

56389224 is a wasteful number, since it uses less digits than its factorization.

56389224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81057 (or 81053 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 56389224 is about 7509.2758638899. The cubic root of 56389224 is about 383.4705703117.

The spelling of 56389224 in words is "fifty-six million, three hundred eighty-nine thousand, two hundred twenty-four".