56240439 has 8 divisors (see below), whose sum is σ = 75651312. Its totient is φ = 37161600.

The previous prime is 56240419. The next prime is 56240447. The reversal of 56240439 is 93404265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56240439 - 2⁷ = 56240311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56240419) 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, 82612 + ... + 83289.

It is an arithmetic number, because the mean of its divisors is an integer number (9456414).

Almost surely, 2^56240439 is an apocalyptic number.

56240439 is a deficient number, since it is larger than the sum of its proper divisors (19410873).

56240439 is a wasteful number, since it uses less digits than its factorization.

56240439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166017.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 56240439 is about 7499.3625729124. The cubic root of 56240439 is about 383.1330062719.

The spelling of 56240439 in words is "fifty-six million, two hundred forty thousand, four hundred thirty-nine".