57393235064 has 64 divisors (see below), whose sum is σ = 119532672000. Its totient is φ = 25613950720.

The previous prime is 57393235063. The next prime is 57393235079. The reversal of 57393235064 is 46053239375.

It is a happy number.

It is a super-2 number, since 2×57393235064² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57393235061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4474292 + ... + 4487100.

It is an arithmetic number, because the mean of its divisors is an integer number (1867698000).

Almost surely, 2^57393235064 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 57393235064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59766336000).

57393235064 is an abundant number, since it is smaller than the sum of its proper divisors (62139436936).

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

57393235064 is a wasteful number, since it uses less digits than its factorization.

57393235064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13748 (or 13744 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 47.

The spelling of 57393235064 in words is "fifty-seven billion, three hundred ninety-three million, two hundred thirty-five thousand, sixty-four".