57384756 has 144 divisors (see below), whose sum is σ = 173916288. Its totient is φ = 15724800.

The previous prime is 57384749. The next prime is 57384773. The reversal of 57384756 is 65748375.

57384756 is a `hidden beast` number, since 573 + 8 + 4 + 75 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 365430 + ... + 365586.

It is an arithmetic number, because the mean of its divisors is an integer number (1207752).

Almost surely, 2^57384756 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 57384756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86958144).

57384756 is an abundant number, since it is smaller than the sum of its proper divisors (116531532).

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

57384756 is a wasteful number, since it uses less digits than its factorization.

57384756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 257 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 57384756 is about 7575.2726683599. The cubic root of 57384756 is about 385.7140982950.

The spelling of 57384756 in words is "fifty-seven million, three hundred eighty-four thousand, seven hundred fifty-six".