57299980 has 24 divisors (see below), whose sum is σ = 121685760. Its totient is φ = 22661760.

The previous prime is 57299947. The next prime is 57299981. The reversal of 57299980 is 8999275.

It is not an unprimeable number, because it can be changed into a prime (57299981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14316 + ... + 17875.

It is an arithmetic number, because the mean of its divisors is an integer number (5070240).

Almost surely, 2^57299980 is an apocalyptic number.

It is an amenable number.

57299980 is an abundant number, since it is smaller than the sum of its proper divisors (64385780).

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

57299980 is a wasteful number, since it uses less digits than its factorization.

57299980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32289 (or 32287 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 57299980 is about 7569.6750260497. The cubic root of 57299980 is about 385.5240628430.

The spelling of 57299980 in words is "fifty-seven million, two hundred ninety-nine thousand, nine hundred eighty".