56442260 has 24 divisors (see below), whose sum is σ = 135461760. Its totient is φ = 19351584.

The previous prime is 56442259. The next prime is 56442283. The reversal of 56442260 is 6224465.

It is a congruent number.

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, 201440 + ... + 201719.

It is an arithmetic number, because the mean of its divisors is an integer number (5644240).

Almost surely, 2^56442260 is an apocalyptic number.

It is an amenable number.

56442260 is an abundant number, since it is smaller than the sum of its proper divisors (79019500).

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

56442260 is a wasteful number, since it uses less digits than its factorization.

56442260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403175 (or 403173 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 56442260 is about 7512.8063997417. The cubic root of 56442260 is about 383.5907550499.

It can be divided in two parts, 564 and 42260, that added together give a palindrome (42824).

The spelling of 56442260 in words is "fifty-six million, four hundred forty-two thousand, two hundred sixty".