57978792 has 96 divisors (see below), whose sum is σ = 163843680. Its totient is φ = 18506880.

The previous prime is 57978787. The next prime is 57978793. The reversal of 57978792 is 29787975.

It is not an unprimeable number, because it can be changed into a prime (57978793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188703 + ... + 189009.

It is an arithmetic number, because the mean of its divisors is an integer number (1706705).

Almost surely, 2^57978792 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 57978792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81921840).

57978792 is an abundant number, since it is smaller than the sum of its proper divisors (105864888).

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

57978792 is a wasteful number, since it uses less digits than its factorization.

57978792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 416 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 54.

The square root of 57978792 is about 7614.3806051445. The cubic root of 57978792 is about 387.0404781089.

It can be divided in two parts, 5 and 7978792, that added together give a palindrome (7978797).

The spelling of 57978792 in words is "fifty-seven million, nine hundred seventy-eight thousand, seven hundred ninety-two".