555055555577 has 2 divisors, whose sum is σ = 555055555578. Its totient is φ = 555055555576.

The previous prime is 555055555531. The next prime is 555055555597. The reversal of 555055555577 is 775555550555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 497390257081 + 57665298496 = 705259^2 + 240136^2 .

It is a cyclic number.

It is not a de Polignac number, because 555055555577 - 2⁸ = 555055555321 is a prime.

It is not a weakly prime, because it can be changed into another prime (555055555507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277527777788 + 277527777789.

It is an arithmetic number, because the mean of its divisors is an integer number (277527777789).

Almost surely, 2^555055555577 is an apocalyptic number.

It is an amenable number.

555055555577 is a deficient number, since it is larger than the sum of its proper divisors (1).

555055555577 is an equidigital number, since it uses as much as digits as its factorization.

555055555577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95703125, while the sum is 59.

The spelling of 555055555577 in words is "five hundred fifty-five billion, fifty-five million, five hundred fifty-five thousand, five hundred seventy-seven".