57491360 has 96 divisors (see below), whose sum is σ = 143119872. Its totient is φ = 21795840.

The previous prime is 57491353. The next prime is 57491383. The reversal of 57491360 is 6319475.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 57491360.

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, 332234 + ... + 332406.

It is an arithmetic number, because the mean of its divisors is an integer number (1490832).

Almost surely, 2^57491360 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 57491360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71559936).

57491360 is an abundant number, since it is smaller than the sum of its proper divisors (85628512).

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

57491360 is a wasteful number, since it uses less digits than its factorization.

57491360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 57491360 is about 7582.3057179198. The cubic root of 57491360 is about 385.9527983303.

The spelling of 57491360 in words is "fifty-seven million, four hundred ninety-one thousand, three hundred sixty".