57255111 has 6 divisors (see below), whose sum is σ = 82701840. Its totient is φ = 38170068.

The previous prime is 57255097. The next prime is 57255137. The reversal of 57255111 is 11155275.

It is not a de Polignac number, because 57255111 - 2⁹ = 57254599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57255161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3180831 + ... + 3180848.

It is an arithmetic number, because the mean of its divisors is an integer number (13783640).

Almost surely, 2^57255111 is an apocalyptic number.

57255111 is a deficient number, since it is larger than the sum of its proper divisors (25446729).

57255111 is a wasteful number, since it uses less digits than its factorization.

57255111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6361685 (or 6361682 counting only the distinct ones).

The product of its digits is 1750, while the sum is 27.

The square root of 57255111 is about 7566.7107120598. The cubic root of 57255111 is about 385.4234077977.

The spelling of 57255111 in words is "fifty-seven million, two hundred fifty-five thousand, one hundred eleven".