57250797 has 4 divisors (see below), whose sum is σ = 76334400. Its totient is φ = 38167196.

The previous prime is 57250789. The next prime is 57250811. The reversal of 57250797 is 79705275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57250797 - 2³ = 57250789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57250597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9541797 + ... + 9541802.

It is an arithmetic number, because the mean of its divisors is an integer number (19083600).

Almost surely, 2^57250797 is an apocalyptic number.

It is an amenable number.

57250797 is a deficient number, since it is larger than the sum of its proper divisors (19083603).

57250797 is a wasteful number, since it uses less digits than its factorization.

57250797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19083602.

The product of its (nonzero) digits is 154350, while the sum is 42.

The square root of 57250797 is about 7566.4256422699. The cubic root of 57250797 is about 385.4137273906.

The spelling of 57250797 in words is "fifty-seven million, two hundred fifty thousand, seven hundred ninety-seven".