55000554799 has 2 divisors, whose sum is σ = 55000554800. Its totient is φ = 55000554798.

The previous prime is 55000554781. The next prime is 55000554863. The reversal of 55000554799 is 99745500055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55000554799 - 2²³ = 54992166191 is a prime.

It is a super-2 number, since 2×55000554799² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55000554709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500277399 + 27500277400.

It is an arithmetic number, because the mean of its divisors is an integer number (27500277400).

Almost surely, 2^55000554799 is an apocalyptic number.

55000554799 is a deficient number, since it is larger than the sum of its proper divisors (1).

55000554799 is an equidigital number, since it uses as much as digits as its factorization.

55000554799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1417500, while the sum is 49.

The spelling of 55000554799 in words is "fifty-five billion, five hundred fifty-four thousand, seven hundred ninety-nine".