54321173 has 2 divisors, whose sum is σ = 54321174. Its totient is φ = 54321172.

The previous prime is 54321167. The next prime is 54321181. The reversal of 54321173 is 37112345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35022724 + 19298449 = 5918^2 + 4393^2 .

It is a cyclic number.

It is not a de Polignac number, because 54321173 - 2¹² = 54317077 is a prime.

It is equal to p_3244166 and since 54321173 and 3244166 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54321073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27160586 + 27160587.

It is an arithmetic number, because the mean of its divisors is an integer number (27160587).

Almost surely, 2^54321173 is an apocalyptic number.

It is an amenable number.

54321173 is a deficient number, since it is larger than the sum of its proper divisors (1).

54321173 is an equidigital number, since it uses as much as digits as its factorization.

54321173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 26.

The square root of 54321173 is about 7370.2898857508. The cubic root of 54321173 is about 378.7241909312.

It can be divided in two parts, 5432 and 1173, that multiplied together give a palindrome (6371736).

The spelling of 54321173 in words is "fifty-four million, three hundred twenty-one thousand, one hundred seventy-three".