57479668551 has 8 divisors (see below), whose sum is σ = 85155064560. Its totient is φ = 38319779016.

The previous prime is 57479668549. The next prime is 57479668553. The reversal of 57479668551 is 15586697475.

57479668551 is a `hidden beast` number, since 5 + 7 + 4 + 79 + 6 + 6 + 8 + 551 = 666.

It is an interprime number because it is at equal distance from previous prime (57479668549) and next prime (57479668553).

It is not a de Polignac number, because 57479668551 - 2¹ = 57479668549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57479668553) 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, 1064438280 + ... + 1064438333.

It is an arithmetic number, because the mean of its divisors is an integer number (10644383070).

Almost surely, 2^57479668551 is an apocalyptic number.

57479668551 is a deficient number, since it is larger than the sum of its proper divisors (27675396009).

57479668551 is a wasteful number, since it uses less digits than its factorization.

57479668551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128876622 (or 2128876616 counting only the distinct ones).

The product of its digits is 63504000, while the sum is 63.

The spelling of 57479668551 in words is "fifty-seven billion, four hundred seventy-nine million, six hundred sixty-eight thousand, five hundred fifty-one".