57020367828 has 48 divisors (see below), whose sum is σ = 140898623040. Its totient is φ = 17885597184.

The previous prime is 57020367827. The next prime is 57020367847. The reversal of 57020367828 is 82876302075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57020367823) 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, 1317558 + ... + 1360146.

It is an arithmetic number, because the mean of its divisors is an integer number (2935387980).

Almost surely, 2^57020367828 is an apocalyptic number.

It is an amenable number.

57020367828 is an abundant number, since it is smaller than the sum of its proper divisors (83878255212).

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

57020367828 is a wasteful number, since it uses less digits than its factorization.

57020367828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49176 (or 49174 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 57020367828 in words is "fifty-seven billion, twenty million, three hundred sixty-seven thousand, eight hundred twenty-eight".