57388158828 has 960 divisors, whose sum is σ = 216745267200. Its totient is φ = 12748285440.

The previous prime is 57388158827. The next prime is 57388158851. The reversal of 57388158828 is 82885188375.

57388158828 is a `hidden beast` number, since 573 + 8 + 8 + 1 + 58 + 8 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (57388158827) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 412864383 + ... + 412864521.

It is an arithmetic number, because the mean of its divisors is an integer number (225776320).

Almost surely, 2^57388158828 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 57388158828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108372633600).

57388158828 is an abundant number, since it is smaller than the sum of its proper divisors (159357108372).

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

57388158828 is a wasteful number, since it uses less digits than its factorization.

57388158828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 261 counting only the distinct ones).

The product of its digits is 34406400, while the sum is 63.

The spelling of 57388158828 in words is "fifty-seven billion, three hundred eighty-eight million, one hundred fifty-eight thousand, eight hundred twenty-eight".