57267725 has 12 divisors (see below), whose sum is σ = 71180340. Its totient is φ = 45705600.

The previous prime is 57267709. The next prime is 57267737. The reversal of 57267725 is 52776275.

It can be written as a sum of positive squares in 6 ways, for example, as 8421604 + 48846121 = 2902^2 + 6989^2 .

It is not a de Polignac number, because 57267725 - 2⁴ = 57267709 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9041 + ... + 14009.

It is an arithmetic number, because the mean of its divisors is an integer number (5931695).

Almost surely, 2^57267725 is an apocalyptic number.

It is an amenable number.

57267725 is a deficient number, since it is larger than the sum of its proper divisors (13912615).

57267725 is a wasteful number, since it uses less digits than its factorization.

57267725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5440 (or 5435 counting only the distinct ones).

The product of its digits is 205800, while the sum is 41.

The square root of 57267725 is about 7567.5441855334. The cubic root of 57267725 is about 385.4517102135.

The spelling of 57267725 in words is "fifty-seven million, two hundred sixty-seven thousand, seven hundred twenty-five".