57020209848 has 480 divisors, whose sum is σ = 195574642560. Its totient is φ = 15454333440.

The previous prime is 57020209801. The next prime is 57020209849. The reversal of 57020209848 is 84890202075.

It is a super-2 number, since 2×57020209848² (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 (57020209849) 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 119 ways as a sum of consecutive naturals, for example, 52167990 + ... + 52169082.

It is an arithmetic number, because the mean of its divisors is an integer number (407447172).

Almost surely, 2^57020209848 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 57020209848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97787321280).

57020209848 is an abundant number, since it is smaller than the sum of its proper divisors (138554432712).

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

57020209848 is a wasteful number, since it uses less digits than its factorization.

57020209848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 57020209848 in words is "fifty-seven billion, twenty million, two hundred nine thousand, eight hundred forty-eight".