57628315 has 4 divisors (see below), whose sum is σ = 69153984. Its totient is φ = 46102648.

The previous prime is 57628261. The next prime is 57628321. The reversal of 57628315 is 51382675.

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 57628315 - 2⁷ = 57628187 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5762827 + ... + 5762836.

It is an arithmetic number, because the mean of its divisors is an integer number (17288496).

Almost surely, 2^57628315 is an apocalyptic number.

57628315 is a deficient number, since it is larger than the sum of its proper divisors (11525669).

57628315 is a wasteful number, since it uses less digits than its factorization.

57628315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11525668.

The product of its digits is 50400, while the sum is 37.

The square root of 57628315 is about 7591.3315696260. The cubic root of 57628315 is about 386.2590254940.

The spelling of 57628315 in words is "fifty-seven million, six hundred twenty-eight thousand, three hundred fifteen".