57516479 has 4 divisors (see below), whose sum is σ = 57882984. Its totient is φ = 57149976.

The previous prime is 57516449. The next prime is 57516493. The reversal of 57516479 is 97461575.

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 57516479 - 2⁸ = 57516223 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 (57516419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183017 + ... + 183330.

It is an arithmetic number, because the mean of its divisors is an integer number (14470746).

Almost surely, 2^57516479 is an apocalyptic number.

57516479 is a deficient number, since it is larger than the sum of its proper divisors (366505).

57516479 is a wasteful number, since it uses less digits than its factorization.

57516479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366504.

The product of its digits is 264600, while the sum is 44.

The square root of 57516479 is about 7583.9619592928. The cubic root of 57516479 is about 386.0090000318.

The spelling of 57516479 in words is "fifty-seven million, five hundred sixteen thousand, four hundred seventy-nine".