57919479 has 4 divisors (see below), whose sum is σ = 77225976. Its totient is φ = 38612984.

The previous prime is 57919469. The next prime is 57919483. The reversal of 57919479 is 97491975.

It is a happy number.

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 57919479 - 2⁵ = 57919447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57919469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9653244 + ... + 9653249.

It is an arithmetic number, because the mean of its divisors is an integer number (19306494).

Almost surely, 2^57919479 is an apocalyptic number.

57919479 is a deficient number, since it is larger than the sum of its proper divisors (19306497).

57919479 is a wasteful number, since it uses less digits than its factorization.

57919479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19306496.

The product of its digits is 714420, while the sum is 51.

The square root of 57919479 is about 7610.4848071591. The cubic root of 57919479 is about 386.9084507255.

The spelling of 57919479 in words is "fifty-seven million, nine hundred nineteen thousand, four hundred seventy-nine".