55683397139 has 2 divisors, whose sum is σ = 55683397140. Its totient is φ = 55683397138.

The previous prime is 55683397097. The next prime is 55683397153. The reversal of 55683397139 is 93179338655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55683397139 - 2⁸ = 55683396883 is a prime.

It is not a weakly prime, because it can be changed into another prime (55683397169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27841698569 + 27841698570.

It is an arithmetic number, because the mean of its divisors is an integer number (27841698570).

Almost surely, 2^55683397139 is an apocalyptic number.

55683397139 is a deficient number, since it is larger than the sum of its proper divisors (1).

55683397139 is an equidigital number, since it uses as much as digits as its factorization.

55683397139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18370800, while the sum is 59.

The spelling of 55683397139 in words is "fifty-five billion, six hundred eighty-three million, three hundred ninety-seven thousand, one hundred thirty-nine".