56442398 has 16 divisors (see below), whose sum is σ = 85688064. Its totient is φ = 27881880.

The previous prime is 56442383. The next prime is 56442401. The reversal of 56442398 is 89324465.

It is a Curzon number.

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, 95861 + ... + 96447.

It is an arithmetic number, because the mean of its divisors is an integer number (5355504).

Almost surely, 2^56442398 is an apocalyptic number.

56442398 is a deficient number, since it is larger than the sum of its proper divisors (29245666).

56442398 is a wasteful number, since it uses less digits than its factorization.

56442398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

The product of its digits is 207360, while the sum is 41.

The square root of 56442398 is about 7512.8155840537. The cubic root of 56442398 is about 383.5910676732.

The spelling of 56442398 in words is "fifty-six million, four hundred forty-two thousand, three hundred ninety-eight".