57271055 has 32 divisors (see below), whose sum is σ = 73846080. Its totient is φ = 42577920.

The previous prime is 57271037. The next prime is 57271061. The reversal of 57271055 is 55017275.

It is not a de Polignac number, because 57271055 - 2⁶ = 57270991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 643451 + ... + 643539.

It is an arithmetic number, because the mean of its divisors is an integer number (2307690).

Almost surely, 2^57271055 is an apocalyptic number.

57271055 is a deficient number, since it is larger than the sum of its proper divisors (16575025).

57271055 is a wasteful number, since it uses less digits than its factorization.

57271055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251.

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 57271055 is about 7567.7642008720. The cubic root of 57271055 is about 385.4591811425.

The spelling of 57271055 in words is "fifty-seven million, two hundred seventy-one thousand, fifty-five".