57250225251 has 16 divisors (see below), whose sum is σ = 84821209120. Its totient is φ = 38164089600.

The previous prime is 57250225223. The next prime is 57250225289. The reversal of 57250225251 is 15252205275.

57250225251 is a `hidden beast` number, since 57 + 2 + 502 + 2 + 52 + 51 = 666.

It is not a de Polignac number, because 57250225251 - 2²³ = 57241836643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57250225051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353271 + ... + 489183.

It is an arithmetic number, because the mean of its divisors is an integer number (5301325570).

Almost surely, 2^57250225251 is an apocalyptic number.

57250225251 is a deficient number, since it is larger than the sum of its proper divisors (27570983869).

57250225251 is a wasteful number, since it uses less digits than its factorization.

57250225251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151523 (or 151517 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 36.

The spelling of 57250225251 in words is "fifty-seven billion, two hundred fifty million, two hundred twenty-five thousand, two hundred fifty-one".