55346794639 has 2 divisors, whose sum is σ = 55346794640. Its totient is φ = 55346794638.

The previous prime is 55346794597. The next prime is 55346794687. The reversal of 55346794639 is 93649764355.

It is a happy number.

55346794639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55346794639 - 2⁹ = 55346794127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55346794339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27673397319 + 27673397320.

It is an arithmetic number, because the mean of its divisors is an integer number (27673397320).

Almost surely, 2^55346794639 is an apocalyptic number.

55346794639 is a deficient number, since it is larger than the sum of its proper divisors (1).

55346794639 is an equidigital number, since it uses as much as digits as its factorization.

55346794639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73483200, while the sum is 61.

The spelling of 55346794639 in words is "fifty-five billion, three hundred forty-six million, seven hundred ninety-four thousand, six hundred thirty-nine".