57397230 has 48 divisors (see below), whose sum is σ = 162802224. Its totient is φ = 13914240.

The previous prime is 57397201. The next prime is 57397243. The reversal of 57397230 is 3279375.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27999 + ... + 29978.

It is an arithmetic number, because the mean of its divisors is an integer number (3391713).

Almost surely, 2^57397230 is an apocalyptic number.

57397230 is an abundant number, since it is smaller than the sum of its proper divisors (105404994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57397230 is a wasteful number, since it uses less digits than its factorization.

57397230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58001 (or 57998 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 57397230 is about 7576.0959603215. The cubic root of 57397230 is about 385.7420444455.

The spelling of 57397230 in words is "fifty-seven million, three hundred ninety-seven thousand, two hundred thirty".