57201129 has 12 divisors (see below), whose sum is σ = 83383300. Its totient is φ = 37783584.

The previous prime is 57201127. The next prime is 57201163. The reversal of 57201129 is 92110275.

It can be written as a sum of positive squares in 2 ways, for example, as 33698025 + 23503104 = 5805^2 + 4848^2 .

It is not a de Polignac number, because 57201129 - 2¹ = 57201127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57201127) 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, 28174 + ... + 30135.

Almost surely, 2^57201129 is an apocalyptic number.

It is an amenable number.

57201129 is a deficient number, since it is larger than the sum of its proper divisors (26182171).

57201129 is a wasteful number, since it uses less digits than its factorization.

57201129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58424 (or 58421 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 57201129 is about 7563.1427991279. The cubic root of 57201129 is about 385.3022397581.

The spelling of 57201129 in words is "fifty-seven million, two hundred one thousand, one hundred twenty-nine".