552777832557 has 12 divisors (see below), whose sum is σ = 798478007964. Its totient is φ = 368508798720.

The previous prime is 552777832553. The next prime is 552777832573. The reversal of 552777832557 is 755238777255.

552777832557 is a `hidden beast` number, since 5 + 5 + 2 + 7 + 7 + 78 + 3 + 2 + 557 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 287409643236 + 265368189321 = 536106^2 + 515139^2 .

It is not a de Polignac number, because 552777832557 - 2² = 552777832553 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 552777832494 and 552777832503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552777832553) 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, 445444 + ... + 1141917.

It is an arithmetic number, because the mean of its divisors is an integer number (66539833997).

Almost surely, 2^552777832557 is an apocalyptic number.

It is an amenable number.

552777832557 is a deficient number, since it is larger than the sum of its proper divisors (245700175407).

552777832557 is a wasteful number, since it uses less digits than its factorization.

552777832557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626060 (or 1626057 counting only the distinct ones).

The product of its digits is 144060000, while the sum is 63.

The spelling of 552777832557 in words is "five hundred fifty-two billion, seven hundred seventy-seven million, eight hundred thirty-two thousand, five hundred fifty-seven".