56242479 has 8 divisors (see below), whose sum is σ = 77016880. Its totient is φ = 36481536.

The previous prime is 56242421. The next prime is 56242493. The reversal of 56242479 is 97424265.

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

It is not a de Polignac number, because 56242479 - 2¹⁶ = 56176943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56242499) 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, 253234 + ... + 253455.

It is an arithmetic number, because the mean of its divisors is an integer number (9627110).

Almost surely, 2^56242479 is an apocalyptic number.

56242479 is a deficient number, since it is larger than the sum of its proper divisors (20774401).

56242479 is a wasteful number, since it uses less digits than its factorization.

56242479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506729.

The product of its digits is 120960, while the sum is 39.

The square root of 56242479 is about 7499.4985832387. The cubic root of 56242479 is about 383.1376386557.

The spelling of 56242479 in words is "fifty-six million, two hundred forty-two thousand, four hundred seventy-nine".