57479543613 has 6 divisors (see below), whose sum is σ = 83026007454. Its totient is φ = 38319695736.

The previous prime is 57479543599. The next prime is 57479543633. The reversal of 57479543613 is 31634597475.

57479543613 is a `hidden beast` number, since 57 + 47 + 9 + 543 + 6 + 1 + 3 = 666.

57479543613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 56053877049 + 1425666564 = 236757^2 + 37758^2 .

It is not a de Polignac number, because 57479543613 - 2¹² = 57479539517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57479543613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57479543633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3193307970 + ... + 3193307987.

It is an arithmetic number, because the mean of its divisors is an integer number (13837667909).

Almost surely, 2^57479543613 is an apocalyptic number.

It is an amenable number.

57479543613 is a deficient number, since it is larger than the sum of its proper divisors (25546463841).

57479543613 is a wasteful number, since it uses less digits than its factorization.

57479543613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6386615963 (or 6386615960 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 54.

The spelling of 57479543613 in words is "fifty-seven billion, four hundred seventy-nine million, five hundred forty-three thousand, six hundred thirteen".