55356346139 has 2 divisors, whose sum is σ = 55356346140. Its totient is φ = 55356346138.

The previous prime is 55356346079. The next prime is 55356346147. The reversal of 55356346139 is 93164365355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55356346139 - 2²⁴ = 55339568923 is a prime.

It is not a weakly prime, because it can be changed into another prime (55356345139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27678173069 + 27678173070.

It is an arithmetic number, because the mean of its divisors is an integer number (27678173070).

Almost surely, 2^55356346139 is an apocalyptic number.

55356346139 is a deficient number, since it is larger than the sum of its proper divisors (1).

55356346139 is an equidigital number, since it uses as much as digits as its factorization.

55356346139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4374000, while the sum is 50.

The spelling of 55356346139 in words is "fifty-five billion, three hundred fifty-six million, three hundred forty-six thousand, one hundred thirty-nine".