55655250877 has 2 divisors, whose sum is σ = 55655250878. Its totient is φ = 55655250876.

The previous prime is 55655250857. The next prime is 55655250887. The reversal of 55655250877 is 77805255655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35396283321 + 20258967556 = 188139^2 + 142334^2 .

It is a cyclic number.

It is not a de Polignac number, because 55655250877 - 2²³ = 55646862269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55655250857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27827625438 + 27827625439.

It is an arithmetic number, because the mean of its divisors is an integer number (27827625439).

Almost surely, 2^55655250877 is an apocalyptic number.

It is an amenable number.

55655250877 is a deficient number, since it is larger than the sum of its proper divisors (1).

55655250877 is an equidigital number, since it uses as much as digits as its factorization.

55655250877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14700000, while the sum is 55.

The spelling of 55655250877 in words is "fifty-five billion, six hundred fifty-five million, two hundred fifty thousand, eight hundred seventy-seven".