55746169 has 2 divisors, whose sum is σ = 55746170. Its totient is φ = 55746168.

The previous prime is 55746139. The next prime is 55746193. The reversal of 55746169 is 96164755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44049769 + 11696400 = 6637^2 + 3420^2 .

It is a cyclic number.

It is not a de Polignac number, because 55746169 - 2⁵ = 55746137 is a prime.

It is a super-2 number, since 2×55746169² = 6215270716353122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55746139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27873084 + 27873085.

It is an arithmetic number, because the mean of its divisors is an integer number (27873085).

Almost surely, 2^55746169 is an apocalyptic number.

It is an amenable number.

55746169 is a deficient number, since it is larger than the sum of its proper divisors (1).

55746169 is an equidigital number, since it uses as much as digits as its factorization.

55746169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The square root of 55746169 is about 7466.3357143916. The cubic root of 55746169 is about 382.0073118855.

The spelling of 55746169 in words is "fifty-five million, seven hundred forty-six thousand, one hundred sixty-nine".