57994917 has 16 divisors (see below), whose sum is σ = 79377408. Its totient is φ = 37643760.

The previous prime is 57994913. The next prime is 57994921. The reversal of 57994917 is 71949975.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (57994913) and next prime (57994921).

It is not a de Polignac number, because 57994917 - 2² = 57994913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57994917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57994913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59242 + ... + 60212.

It is an arithmetic number, because the mean of its divisors is an integer number (4961088).

Almost surely, 2^57994917 is an apocalyptic number.

It is an amenable number.

57994917 is a deficient number, since it is larger than the sum of its proper divisors (21382491).

57994917 is a wasteful number, since it uses less digits than its factorization.

57994917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480.

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

The square root of 57994917 is about 7615.4393832529. The cubic root of 57994917 is about 387.0763558784.

The spelling of 57994917 in words is "fifty-seven million, nine hundred ninety-four thousand, nine hundred seventeen".