54879169 has 2 divisors, whose sum is σ = 54879170. Its totient is φ = 54879168.

The previous prime is 54879161. The next prime is 54879191. The reversal of 54879169 is 96197845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45050944 + 9828225 = 6712^2 + 3135^2 .

It is a cyclic number.

It is not a de Polignac number, because 54879169 - 2³ = 54879161 is a prime.

It is a super-2 number, since 2×54879169² = 6023446380261122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54879161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27439584 + 27439585.

It is an arithmetic number, because the mean of its divisors is an integer number (27439585).

Almost surely, 2^54879169 is an apocalyptic number.

It is an amenable number.

54879169 is a deficient number, since it is larger than the sum of its proper divisors (1).

54879169 is an equidigital number, since it uses as much as digits as its factorization.

54879169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 49.

The square root of 54879169 is about 7408.0475835405. The cubic root of 54879169 is about 380.0165482175.

The spelling of 54879169 in words is "fifty-four million, eight hundred seventy-nine thousand, one hundred sixty-nine".