551092664457 has 12 divisors (see below), whose sum is σ = 796029376324. Its totient is φ = 367392045600.

The previous prime is 551092664449. The next prime is 551092664519. The reversal of 551092664457 is 754466290155.

551092664457 is a `hidden beast` number, since 5 + 5 + 109 + 26 + 64 + 457 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 507536557056 + 43556107401 = 712416^2 + 208701^2 .

It is not a de Polignac number, because 551092664457 - 2³ = 551092664449 is a prime.

It is a super-2 number, since 2×551092664457² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551092664417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1572207 + ... + 1890507.

Almost surely, 2^551092664457 is an apocalyptic number.

It is an amenable number.

551092664457 is a deficient number, since it is larger than the sum of its proper divisors (244936711867).

551092664457 is a wasteful number, since it uses less digits than its factorization.

551092664457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510680 (or 510677 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 551092664457 in words is "five hundred fifty-one billion, ninety-two million, six hundred sixty-four thousand, four hundred fifty-seven".