57250565 has 8 divisors (see below), whose sum is σ = 71687808. Its totient is φ = 43809040.

The previous prime is 57250549. The next prime is 57250573. The reversal of 57250565 is 56505275.

57250565 = 223² + 224² + ... + 567².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57250565 - 2⁴ = 57250549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248801 + ... + 249030.

It is an arithmetic number, because the mean of its divisors is an integer number (8960976).

Almost surely, 2^57250565 is an apocalyptic number.

It is an amenable number.

57250565 is a deficient number, since it is larger than the sum of its proper divisors (14437243).

57250565 is a wasteful number, since it uses less digits than its factorization.

57250565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497859.

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 57250565 is about 7566.4103113696. The cubic root of 57250565 is about 385.4132067801.

The spelling of 57250565 in words is "fifty-seven million, two hundred fifty thousand, five hundred sixty-five".