57798620 has 48 divisors (see below), whose sum is σ = 134936928. Its totient is φ = 20616960.

The previous prime is 57798619. The next prime is 57798649. The reversal of 57798620 is 2689775.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 9182 + ... + 14138.

It is an arithmetic number, because the mean of its divisors is an integer number (2811186).

Almost surely, 2^57798620 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 57798620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67468464).

57798620 is an abundant number, since it is smaller than the sum of its proper divisors (77138308).

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

57798620 is a wasteful number, since it uses less digits than its factorization.

57798620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030 (or 5028 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 57798620 is about 7602.5403649044. The cubic root of 57798620 is about 386.6391462115.

The spelling of 57798620 in words is "fifty-seven million, seven hundred ninety-eight thousand, six hundred twenty".