57940915 has 4 divisors (see below), whose sum is σ = 69529104. Its totient is φ = 46352728.

The previous prime is 57940871. The next prime is 57940919. The reversal of 57940915 is 51904975.

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 57940915 - 2⁷ = 57940787 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57940919) 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, 5794087 + ... + 5794096.

It is an arithmetic number, because the mean of its divisors is an integer number (17382276).

Almost surely, 2^57940915 is an apocalyptic number.

57940915 is a deficient number, since it is larger than the sum of its proper divisors (11588189).

57940915 is a wasteful number, since it uses less digits than its factorization.

57940915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11588188.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 57940915 is about 7611.8929971460. The cubic root of 57940915 is about 386.9561764459.

The spelling of 57940915 in words is "fifty-seven million, nine hundred forty thousand, nine hundred fifteen".