57256115 has 8 divisors (see below), whose sum is σ = 78522720. Its totient is φ = 39261312.

The previous prime is 57256099. The next prime is 57256141. The reversal of 57256115 is 51165275.

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

It is a cyclic number.

It is not a de Polignac number, because 57256115 - 2⁴ = 57256099 is a prime.

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, 817910 + ... + 817979.

It is an arithmetic number, because the mean of its divisors is an integer number (9815340).

Almost surely, 2^57256115 is an apocalyptic number.

57256115 is a deficient number, since it is larger than the sum of its proper divisors (21266605).

57256115 is a wasteful number, since it uses less digits than its factorization.

57256115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635901.

The product of its digits is 10500, while the sum is 32.

The square root of 57256115 is about 7566.7770549951. Note that the first 3 decimals coincide. The cubic root of 57256115 is about 385.4256606553.

The spelling of 57256115 in words is "fifty-seven million, two hundred fifty-six thousand, one hundred fifteen".