57001155 has 16 divisors (see below), whose sum is σ = 92011680. Its totient is φ = 30130688.

The previous prime is 57001151. The next prime is 57001181. The reversal of 57001155 is 55110075.

57001155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 57001155 - 2² = 57001151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57001151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15120 + ... + 18509.

It is an arithmetic number, because the mean of its divisors is an integer number (5750730).

Almost surely, 2^57001155 is an apocalyptic number.

57001155 is a deficient number, since it is larger than the sum of its proper divisors (35010525).

57001155 is a wasteful number, since it uses less digits than its factorization.

57001155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33750.

The product of its (nonzero) digits is 875, while the sum is 24.

The square root of 57001155 is about 7549.9109266269. The cubic root of 57001155 is about 384.8527125363.

The spelling of 57001155 in words is "fifty-seven million, one thousand, one hundred fifty-five".