57986850 has 48 divisors (see below), whose sum is σ = 144624672. Its totient is φ = 15375360.

The previous prime is 57986843. The next prime is 57986867. The reversal of 57986850 is 5868975.

It is a self number, because there is not a number n which added to its sum of digits gives 57986850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27949 + ... + 29951.

It is an arithmetic number, because the mean of its divisors is an integer number (3013014).

Almost surely, 2^57986850 is an apocalyptic number.

57986850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57986850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72312336).

57986850 is an abundant number, since it is smaller than the sum of its proper divisors (86637822).

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

57986850 is a wasteful number, since it uses less digits than its factorization.

57986850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 57986850 is about 7614.9097171273. The cubic root of 57986850 is about 387.0584078127.

The spelling of 57986850 in words is "fifty-seven million, nine hundred eighty-six thousand, eight hundred fifty".