57143386772 has 12 divisors (see below), whose sum is σ = 100073770356. Its totient is φ = 28550880960.

The previous prime is 57143386763. The next prime is 57143386819. The reversal of 57143386772 is 27768334175.

It can be written as a sum of positive squares in 2 ways, for example, as 29761080196 + 27382306576 = 172514^2 + 165476^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5196929 + ... + 5207912.

It is an arithmetic number, because the mean of its divisors is an integer number (8339480863).

Almost surely, 2^57143386772 is an apocalyptic number.

It is an amenable number.

57143386772 is a deficient number, since it is larger than the sum of its proper divisors (42930383584).

57143386772 is a wasteful number, since it uses less digits than its factorization.

57143386772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10406218 (or 10406216 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 53.

The spelling of 57143386772 in words is "fifty-seven billion, one hundred forty-three million, three hundred eighty-six thousand, seven hundred seventy-two".