54417889 has 2 divisors, whose sum is σ = 54417890. Its totient is φ = 54417888.

The previous prime is 54417851. The next prime is 54417911. The reversal of 54417889 is 98871445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51595489 + 2822400 = 7183^2 + 1680^2 .

It is a cyclic number.

It is not a de Polignac number, because 54417889 - 2⁷ = 54417761 is a prime.

It is a super-2 number, since 2×54417889² = 5922613286432642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54417809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27208944 + 27208945.

It is an arithmetic number, because the mean of its divisors is an integer number (27208945).

Almost surely, 2^54417889 is an apocalyptic number.

It is an amenable number.

54417889 is a deficient number, since it is larger than the sum of its proper divisors (1).

54417889 is an equidigital number, since it uses as much as digits as its factorization.

54417889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 46.

The square root of 54417889 is about 7376.8481752033. The cubic root of 54417889 is about 378.9488238556.

The spelling of 54417889 in words is "fifty-four million, four hundred seventeen thousand, eight hundred eighty-nine".