57725565 has 32 divisors (see below), whose sum is σ = 97591296. Its totient is φ = 29090880.

The previous prime is 57725527. The next prime is 57725567. The reversal of 57725565 is 56552775.

It is not a de Polignac number, because 57725565 - 2⁶ = 57725501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57725567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18552 + ... + 21438.

It is an arithmetic number, because the mean of its divisors is an integer number (3049728).

Almost surely, 2^57725565 is an apocalyptic number.

It is an amenable number.

57725565 is a deficient number, since it is larger than the sum of its proper divisors (39865731).

57725565 is a wasteful number, since it uses less digits than its factorization.

57725565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969.

The product of its digits is 367500, while the sum is 42.

The square root of 57725565 is about 7597.7342017209. The cubic root of 57725565 is about 386.4761790464.

The spelling of 57725565 in words is "fifty-seven million, seven hundred twenty-five thousand, five hundred sixty-five".