57382251 has 4 divisors (see below), whose sum is σ = 76509672. Its totient is φ = 38254832.

The previous prime is 57382243. The next prime is 57382267. The reversal of 57382251 is 15228375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57382251 - 2³ = 57382243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57382211) 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, 9563706 + ... + 9563711.

It is an arithmetic number, because the mean of its divisors is an integer number (19127418).

Almost surely, 2^57382251 is an apocalyptic number.

57382251 is a deficient number, since it is larger than the sum of its proper divisors (19127421).

57382251 is a wasteful number, since it uses less digits than its factorization.

57382251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19127420.

The product of its digits is 16800, while the sum is 33.

The square root of 57382251 is about 7575.1073259724. The cubic root of 57382251 is about 385.7084857251.

The spelling of 57382251 in words is "fifty-seven million, three hundred eighty-two thousand, two hundred fifty-one".