57985956 has 120 divisors (see below), whose sum is σ = 178181696. Its totient is φ = 16096320.

The previous prime is 57985951. The next prime is 57985969. The reversal of 57985956 is 65958975.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57985951) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 83571 + ... + 84261.

Almost surely, 2^57985956 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 57985956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89090848).

57985956 is an abundant number, since it is smaller than the sum of its proper divisors (120195740).

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

57985956 is a wasteful number, since it uses less digits than its factorization.

57985956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 740 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 54.

The square root of 57985956 is about 7614.8510162708. The cubic root of 57985956 is about 387.0564186720.

The spelling of 57985956 in words is "fifty-seven million, nine hundred eighty-five thousand, nine hundred fifty-six".