57075155 has 8 divisors (see below), whose sum is σ = 69947712. Its totient is φ = 44688448.

The previous prime is 57075149. The next prime is 57075163. The reversal of 57075155 is 55157075.

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 57075155 - 2¹² = 57071059 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, 121202 + ... + 121671.

It is an arithmetic number, because the mean of its divisors is an integer number (8743464).

Almost surely, 2^57075155 is an apocalyptic number.

57075155 is a deficient number, since it is larger than the sum of its proper divisors (12872557).

57075155 is a wasteful number, since it uses less digits than its factorization.

57075155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242925.

The product of its (nonzero) digits is 30625, while the sum is 35.

The square root of 57075155 is about 7554.8100571755. The cubic root of 57075155 is about 385.0191815934.

The spelling of 57075155 in words is "fifty-seven million, seventy-five thousand, one hundred fifty-five".