57152155 has 16 divisors (see below), whose sum is σ = 71164800. Its totient is φ = 44029440.

The previous prime is 57152149. The next prime is 57152177. The reversal of 57152155 is 55125175.

It is a de Polignac number, because none of the positive numbers 2^k-57152155 is a prime.

It is a super-2 number, since 2×57152155² = 6532737642288050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14431 + ... + 17959.

It is an arithmetic number, because the mean of its divisors is an integer number (4447800).

Almost surely, 2^57152155 is an apocalyptic number.

57152155 is a deficient number, since it is larger than the sum of its proper divisors (14012645).

57152155 is a wasteful number, since it uses less digits than its factorization.

57152155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654.

The product of its digits is 8750, while the sum is 31.

The square root of 57152155 is about 7559.9044306129. The cubic root of 57152155 is about 385.1922467094.

The spelling of 57152155 in words is "fifty-seven million, one hundred fifty-two thousand, one hundred fifty-five".