54340189 has 2 divisors, whose sum is σ = 54340190. Its totient is φ = 54340188.

The previous prime is 54340159. The next prime is 54340199. The reversal of 54340189 is 98104345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46172025 + 8168164 = 6795^2 + 2858^2 .

It is a cyclic number.

It is not a de Polignac number, because 54340189 - 2⁵ = 54340157 is a prime.

It is a super-2 number, since 2×54340189² = 5905712281111442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54340159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27170094 + 27170095.

It is an arithmetic number, because the mean of its divisors is an integer number (27170095).

Almost surely, 2^54340189 is an apocalyptic number.

It is an amenable number.

54340189 is a deficient number, since it is larger than the sum of its proper divisors (1).

54340189 is an equidigital number, since it uses as much as digits as its factorization.

54340189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 54340189 is about 7371.5798171084. The cubic root of 54340189 is about 378.7683786062.

The spelling of 54340189 in words is "fifty-four million, three hundred forty thousand, one hundred eighty-nine".