57850380 has 144 divisors (see below), whose sum is σ = 204859200. Its totient is φ = 13208832.

The previous prime is 57850379. The next prime is 57850391. The reversal of 57850380 is 8305875.

It is a happy number.

57850380 is a `hidden beast` number, since 5 + 78 + 503 + 80 = 666.

57850380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57850380² = 6693332932288800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61272 + ... + 62208.

Almost surely, 2^57850380 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 57850380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102429600).

57850380 is an abundant number, since it is smaller than the sum of its proper divisors (147008820).

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

57850380 is a wasteful number, since it uses less digits than its factorization.

57850380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 57850380 is about 7605.9437284271. The cubic root of 57850380 is about 386.7545265401.

The spelling of 57850380 in words is "fifty-seven million, eight hundred fifty thousand, three hundred eighty".