57913 has 4 divisors (see below), whose sum is σ = 59940. Its totient is φ = 55888.

The previous prime is 57901. The next prime is 57917. The reversal of 57913 is 31975.

57913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12544 + 45369 = 112^2 + 213^2 .

It is a cyclic number.

It is not a de Polignac number, because 57913 - 2⁵ = 57881 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (57917) 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, 970 + ... + 1027.

It is an arithmetic number, because the mean of its divisors is an integer number (14985).

2⁵⁷⁹¹³ is an apocalyptic number.

It is an amenable number.

57913 is a deficient number, since it is larger than the sum of its proper divisors (2027).

57913 is a wasteful number, since it uses less digits than its factorization.

57913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026.

The product of its digits is 945, while the sum is 25.

The square root of 57913 is about 240.6511998723. The cubic root of 57913 is about 38.6894023378.

The spelling of 57913 in words is "fifty-seven thousand, nine hundred thirteen".