55536091207 has 2 divisors, whose sum is σ = 55536091208. Its totient is φ = 55536091206.

The previous prime is 55536091199. The next prime is 55536091213. The reversal of 55536091207 is 70219063555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55536091207 - 2³ = 55536091199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55536091277) 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, 27768045603 + 27768045604.

It is an arithmetic number, because the mean of its divisors is an integer number (27768045604).

Almost surely, 2^55536091207 is an apocalyptic number.

55536091207 is a deficient number, since it is larger than the sum of its proper divisors (1).

55536091207 is an equidigital number, since it uses as much as digits as its factorization.

55536091207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 283500, while the sum is 43.

The spelling of 55536091207 in words is "fifty-five billion, five hundred thirty-six million, ninety-one thousand, two hundred seven".