55417167139 has 2 divisors, whose sum is σ = 55417167140. Its totient is φ = 55417167138.

The previous prime is 55417167119. The next prime is 55417167263. The reversal of 55417167139 is 93176171455.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55417167139 - 2⁵ = 55417167107 is a prime.

It is a super-2 number, since 2×55417167139² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55417167092 and 55417167101.

It is not a weakly prime, because it can be changed into another prime (55417167119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27708583569 + 27708583570.

It is an arithmetic number, because the mean of its divisors is an integer number (27708583570).

Almost surely, 2^55417167139 is an apocalyptic number.

55417167139 is a deficient number, since it is larger than the sum of its proper divisors (1).

55417167139 is an equidigital number, since it uses as much as digits as its factorization.

55417167139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 793800, while the sum is 49.

The spelling of 55417167139 in words is "fifty-five billion, four hundred seventeen million, one hundred sixty-seven thousand, one hundred thirty-nine".