57122055 has 12 divisors (see below), whose sum is σ = 99011640. Its totient is φ = 30465072.

The previous prime is 57121993. The next prime is 57122059. The reversal of 57122055 is 55022175.

It is a happy number.

It is not a de Polignac number, because 57122055 - 2⁶ = 57121991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57122059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 634645 + ... + 634734.

It is an arithmetic number, because the mean of its divisors is an integer number (8250970).

Almost surely, 2^57122055 is an apocalyptic number.

57122055 is a deficient number, since it is larger than the sum of its proper divisors (41889585).

57122055 is a wasteful number, since it uses less digits than its factorization.

57122055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269390 (or 1269387 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 57122055 is about 7557.9134025206. The cubic root of 57122055 is about 385.1246124988.

The spelling of 57122055 in words is "fifty-seven million, one hundred twenty-two thousand, fifty-five".