57828380 has 12 divisors (see below), whose sum is σ = 121439640. Its totient is φ = 23131344.

The previous prime is 57828367. The next prime is 57828383. The reversal of 57828380 is 8382875.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57828383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445690 + ... + 1445729.

It is an arithmetic number, because the mean of its divisors is an integer number (10119970).

Almost surely, 2^57828380 is an apocalyptic number.

It is an amenable number.

57828380 is an abundant number, since it is smaller than the sum of its proper divisors (63611260).

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

57828380 is a wasteful number, since it uses less digits than its factorization.

57828380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891428 (or 2891426 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 57828380 is about 7604.4973535402. The cubic root of 57828380 is about 386.7054938550.

The spelling of 57828380 in words is "fifty-seven million, eight hundred twenty-eight thousand, three hundred eighty".