55499392799 has 2 divisors, whose sum is σ = 55499392800. Its totient is φ = 55499392798.

The previous prime is 55499392763. The next prime is 55499392801. The reversal of 55499392799 is 99729399455.

55499392799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55499392799 is a prime.

Together with 55499392801, 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 (55499392099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27749696399 + 27749696400.

It is an arithmetic number, because the mean of its divisors is an integer number (27749696400).

Almost surely, 2^55499392799 is an apocalyptic number.

55499392799 is a deficient number, since it is larger than the sum of its proper divisors (1).

55499392799 is an equidigital number, since it uses as much as digits as its factorization.

55499392799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248005800, while the sum is 71.

The spelling of 55499392799 in words is "fifty-five billion, four hundred ninety-nine million, three hundred ninety-two thousand, seven hundred ninety-nine".