57151655 has 16 divisors (see below), whose sum is σ = 75243168. Its totient is φ = 41328000.

The previous prime is 57151621. The next prime is 57151673. The reversal of 57151655 is 55615175.

57151655 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 57151655 - 2²⁰ = 56103079 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7085 + ... + 12825.

It is an arithmetic number, because the mean of its divisors is an integer number (4702698).

Almost surely, 2^57151655 is an apocalyptic number.

57151655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57151655 is a deficient number, since it is larger than the sum of its proper divisors (18091513).

57151655 is a wasteful number, since it uses less digits than its factorization.

57151655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5938.

The product of its digits is 26250, while the sum is 35.

The square root of 57151655 is about 7559.8713613394. The cubic root of 57151655 is about 385.1911234115.

The spelling of 57151655 in words is "fifty-seven million, one hundred fifty-one thousand, six hundred fifty-five".