57508261892 has 24 divisors (see below), whose sum is σ = 101251042200. Its totient is φ = 28579880960.

The previous prime is 57508261891. The next prime is 57508261919. The reversal of 57508261892 is 29816280575.

It can be written as a sum of positive squares in 4 ways, for example, as 10287233476 + 47221028416 = 101426^2 + 217304^2 .

It is not an unprimeable number, because it can be changed into a prime (57508261891) 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, 413234 + ... + 534582.

It is an arithmetic number, because the mean of its divisors is an integer number (4218793425).

Almost surely, 2^57508261892 is an apocalyptic number.

It is an amenable number.

57508261892 is a deficient number, since it is larger than the sum of its proper divisors (43742780308).

57508261892 is a wasteful number, since it uses less digits than its factorization.

57508261892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122071 (or 122069 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 57508261892 in words is "fifty-seven billion, five hundred eight million, two hundred sixty-one thousand, eight hundred ninety-two".