57899520 has 240 divisors, whose sum is σ = 229806720. Its totient is φ = 13197312.

The previous prime is 57899509. The next prime is 57899521. The reversal of 57899520 is 2599875.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (57899521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161101 + ... + 161459.

It is an arithmetic number, because the mean of its divisors is an integer number (957528).

Almost surely, 2^57899520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57899520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114903360).

57899520 is an abundant number, since it is smaller than the sum of its proper divisors (171907200).

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

57899520 is a wasteful number, since it uses less digits than its factorization.

57899520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 57899520 is about 7609.1734110874. The cubic root of 57899520 is about 386.8640028523.

The spelling of 57899520 in words is "fifty-seven million, eight hundred ninety-nine thousand, five hundred twenty".