55536091277 has 2 divisors, whose sum is σ = 55536091278. Its totient is φ = 55536091276.

The previous prime is 55536091271. The next prime is 55536091279. The reversal of 55536091277 is 77219063555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36932768041 + 18603323236 = 192179^2 + 136394^2 .

It is a cyclic number.

It is not a de Polignac number, because 55536091277 - 2⁶ = 55536091213 is a prime.

Together with 55536091279, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55536091271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27768045638 + 27768045639.

It is an arithmetic number, because the mean of its divisors is an integer number (27768045639).

Almost surely, 2^55536091277 is an apocalyptic number.

It is an amenable number.

55536091277 is a deficient number, since it is larger than the sum of its proper divisors (1).

55536091277 is an equidigital number, since it uses as much as digits as its factorization.

55536091277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1984500, while the sum is 50.

The spelling of 55536091277 in words is "fifty-five billion, five hundred thirty-six million, ninety-one thousand, two hundred seventy-seven".