57144221588 has 24 divisors (see below), whose sum is σ = 102269442408. Its totient is φ = 27931309056.

The previous prime is 57144221587. The next prime is 57144221621. The reversal of 57144221588 is 88512244175.

It can be written as a sum of positive squares in 4 ways, for example, as 3474159364 + 53670062224 = 58942^2 + 231668^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57144221587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832931 + ... + 898922.

It is an arithmetic number, because the mean of its divisors is an integer number (4261226767).

Almost surely, 2^57144221588 is an apocalyptic number.

It is an amenable number.

57144221588 is a deficient number, since it is larger than the sum of its proper divisors (45125220820).

57144221588 is a wasteful number, since it uses less digits than its factorization.

57144221588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732043 (or 1732041 counting only the distinct ones).

The product of its digits is 716800, while the sum is 47.

The spelling of 57144221588 in words is "fifty-seven billion, one hundred forty-four million, two hundred twenty-one thousand, five hundred eighty-eight".