52857602028 has 720 divisors, whose sum is σ = 184989692160. Its totient is φ = 13069123200.

The previous prime is 52857602009. The next prime is 52857602051. The reversal of 52857602028 is 82020675825.

52857602028 is a `hidden beast` number, since 52 + 8 + 576 + 0 + 2 + 0 + 28 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 744473233 + ... + 744473303.

It is an arithmetic number, because the mean of its divisors is an integer number (256930128).

Almost surely, 2^52857602028 is an apocalyptic number.

52857602028 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52857602028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92494846080).

52857602028 is an abundant number, since it is smaller than the sum of its proper divisors (132132090132).

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

52857602028 is a wasteful number, since it uses less digits than its factorization.

52857602028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 52857602028 in words is "fifty-two billion, eight hundred fifty-seven million, six hundred two thousand, twenty-eight".