54774975599 has 2 divisors, whose sum is σ = 54774975600. Its totient is φ = 54774975598.

The previous prime is 54774975581. The next prime is 54774975601. The reversal of 54774975599 is 99557947745.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54774975599 - 2²⁰ = 54773927023 is a prime.

Together with 54774975601, 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 (54774975509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27387487799 + 27387487800.

It is an arithmetic number, because the mean of its divisors is an integer number (27387487800).

Almost surely, 2^54774975599 is an apocalyptic number.

54774975599 is a deficient number, since it is larger than the sum of its proper divisors (1).

54774975599 is an equidigital number, since it uses as much as digits as its factorization.

54774975599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 500094000, while the sum is 71.

The spelling of 54774975599 in words is "fifty-four billion, seven hundred seventy-four million, nine hundred seventy-five thousand, five hundred ninety-nine".