57567894772 has 12 divisors (see below), whose sum is σ = 100780750980. Its totient is φ = 28773394496.

The previous prime is 57567894763. The next prime is 57567894779. The reversal of 57567894772 is 27749876575.

It can be written as a sum of positive squares in 2 ways, for example, as 55020270096 + 2547624676 = 234564^2 + 50474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57567894698 and 57567894707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57567894779) 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 3 ways as a sum of consecutive naturals, for example, 2625943 + ... + 2647774.

It is an arithmetic number, because the mean of its divisors is an integer number (8398395915).

Almost surely, 2^57567894772 is an apocalyptic number.

It is an amenable number.

57567894772 is a deficient number, since it is larger than the sum of its proper divisors (43212856208).

57567894772 is a wasteful number, since it uses less digits than its factorization.

57567894772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276450 (or 5276448 counting only the distinct ones).

The product of its digits is 207446400, while the sum is 67.

The spelling of 57567894772 in words is "fifty-seven billion, five hundred sixty-seven million, eight hundred ninety-four thousand, seven hundred seventy-two".