56988479 has 4 divisors (see below), whose sum is σ = 57287040. Its totient is φ = 56689920.

The previous prime is 56988443. The next prime is 56988511. The reversal of 56988479 is 97488965.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56988479 - 2²⁴ = 40211263 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 (56988419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148994 + ... + 149375.

It is an arithmetic number, because the mean of its divisors is an integer number (14321760).

Almost surely, 2^56988479 is an apocalyptic number.

56988479 is a deficient number, since it is larger than the sum of its proper divisors (298561).

56988479 is a wasteful number, since it uses less digits than its factorization.

56988479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298560.

The product of its digits is 4354560, while the sum is 56.

The square root of 56988479 is about 7549.0713998478. The cubic root of 56988479 is about 384.8241823855.

The spelling of 56988479 in words is "fifty-six million, nine hundred eighty-eight thousand, four hundred seventy-nine".