57997308 has 12 divisors (see below), whose sum is σ = 135327080. Its totient is φ = 19332432.

The previous prime is 57997301. The next prime is 57997309. The reversal of 57997308 is 80379975.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57997301) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2416543 + ... + 2416566.

Almost surely, 2^57997308 is an apocalyptic number.

It is an amenable number.

57997308 is an abundant number, since it is smaller than the sum of its proper divisors (77329772).

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

57997308 is a wasteful number, since it uses less digits than its factorization.

57997308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4833116 (or 4833114 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 57997308 is about 7615.5963653545. The cubic root of 57997308 is about 387.0816752345.

The spelling of 57997308 in words is "fifty-seven million, nine hundred ninety-seven thousand, three hundred eight".