56242320 has 40 divisors (see below), whose sum is σ = 174351936. Its totient is φ = 14997888.

The previous prime is 56242309. The next prime is 56242321. The reversal of 56242320 is 2324265.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (56242321) 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, 116932 + ... + 117411.

Almost surely, 2^56242320 is an apocalyptic number.

It is an amenable number.

56242320 is an abundant number, since it is smaller than the sum of its proper divisors (118109616).

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

56242320 is a wasteful number, since it uses less digits than its factorization.

56242320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234359 (or 234353 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 56242320 is about 7499.4879825225. The cubic root of 56242320 is about 383.1372776062.

Adding to 56242320 its reverse (2324265), we get a palindrome (58566585).

The spelling of 56242320 in words is "fifty-six million, two hundred forty-two thousand, three hundred twenty".