54389173 has 2 divisors, whose sum is σ = 54389174. Its totient is φ = 54389172.

The previous prime is 54389141. The next prime is 54389201. The reversal of 54389173 is 37198345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33385284 + 21003889 = 5778^2 + 4583^2 .

It is a cyclic number.

It is not a de Polignac number, because 54389173 - 2⁵ = 54389141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54389113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27194586 + 27194587.

It is an arithmetic number, because the mean of its divisors is an integer number (27194587).

Almost surely, 2^54389173 is an apocalyptic number.

It is an amenable number.

54389173 is a deficient number, since it is larger than the sum of its proper divisors (1).

54389173 is an equidigital number, since it uses as much as digits as its factorization.

54389173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 54389173 is about 7374.9015586650. The cubic root of 54389173 is about 378.8821557722.

The spelling of 54389173 in words is "fifty-four million, three hundred eighty-nine thousand, one hundred seventy-three".