57455915 has 8 divisors (see below), whose sum is σ = 75215088. Its totient is φ = 41786080.

The previous prime is 57455899. The next prime is 57455921. The reversal of 57455915 is 51955475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57455915 - 2⁴ = 57455899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522272 + ... + 522381.

It is an arithmetic number, because the mean of its divisors is an integer number (9401886).

Almost surely, 2^57455915 is an apocalyptic number.

57455915 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57455915 is a deficient number, since it is larger than the sum of its proper divisors (17759173).

57455915 is a wasteful number, since it uses less digits than its factorization.

57455915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044669.

The product of its digits is 157500, while the sum is 41.

The square root of 57455915 is about 7579.9680078481. The cubic root of 57455915 is about 385.8734651964.

The spelling of 57455915 in words is "fifty-seven million, four hundred fifty-five thousand, nine hundred fifteen".