54429173 has 2 divisors, whose sum is σ = 54429174. Its totient is φ = 54429172.

The previous prime is 54429139. The next prime is 54429187. The reversal of 54429173 is 37192445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52896529 + 1532644 = 7273^2 + 1238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54429173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54429103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27214586 + 27214587.

It is an arithmetic number, because the mean of its divisors is an integer number (27214587).

Almost surely, 2^54429173 is an apocalyptic number.

54429173 is the 3944-th centered heptagonal number.

It is an amenable number.

54429173 is a deficient number, since it is larger than the sum of its proper divisors (1).

54429173 is an equidigital number, since it uses as much as digits as its factorization.

54429173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 54429173 is about 7377.6129608431. The cubic root of 54429173 is about 378.9750147712.

The spelling of 54429173 in words is "fifty-four million, four hundred twenty-nine thousand, one hundred seventy-three".