54173869 has 2 divisors, whose sum is σ = 54173870. Its totient is φ = 54173868.

The previous prime is 54173863. The next prime is 54173887. The reversal of 54173869 is 96837145.

54173869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34928100 + 19245769 = 5910^2 + 4387^2 .

It is a cyclic number.

It is not a de Polignac number, because 54173869 - 2⁵ = 54173837 is a prime.

It is a super-2 number, since 2×54173869² = 5869616164858322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54173863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27086934 + 27086935.

It is an arithmetic number, because the mean of its divisors is an integer number (27086935).

Almost surely, 2^54173869 is an apocalyptic number.

It is an amenable number.

54173869 is a deficient number, since it is larger than the sum of its proper divisors (1).

54173869 is an equidigital number, since it uses as much as digits as its factorization.

54173869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 54173869 is about 7360.2900078733. The cubic root of 54173869 is about 378.3815492682.

The spelling of 54173869 in words is "fifty-four million, one hundred seventy-three thousand, eight hundred sixty-nine".