57854820 has 48 divisors (see below), whose sum is σ = 163614528. Its totient is φ = 15273600.

The previous prime is 57854807. The next prime is 57854837. The reversal of 57854820 is 2845875.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1287 + ... + 10833.

It is an arithmetic number, because the mean of its divisors is an integer number (3408636).

Almost surely, 2^57854820 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 57854820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81807264).

57854820 is an abundant number, since it is smaller than the sum of its proper divisors (105759708).

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

57854820 is a wasteful number, since it uses less digits than its factorization.

57854820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9660 (or 9658 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 57854820 is about 7606.2355998220. The cubic root of 57854820 is about 386.7644207198.

The spelling of 57854820 in words is "fifty-seven million, eight hundred fifty-four thousand, eight hundred twenty".