57997356 has 48 divisors (see below), whose sum is σ = 137760000. Its totient is φ = 18988992.

The previous prime is 57997351. The next prime is 57997393. The reversal of 57997356 is 65379975.

It is a junction number, because it is equal to n+sod(n) for n = 57997299 and 57997308.

It is not an unprimeable number, because it can be changed into a prime (57997351) 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, 291345 + ... + 291543.

It is an arithmetic number, because the mean of its divisors is an integer number (2870000).

Almost surely, 2^57997356 is an apocalyptic number.

It is an amenable number.

57997356 is an abundant number, since it is smaller than the sum of its proper divisors (79762644).

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

57997356 is a wasteful number, since it uses less digits than its factorization.

57997356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 516 counting only the distinct ones).

The product of its digits is 1786050, while the sum is 51.

The square root of 57997356 is about 7615.5995167813. The cubic root of 57997356 is about 387.0817820206.

The spelling of 57997356 in words is "fifty-seven million, nine hundred ninety-seven thousand, three hundred fifty-six".