55254289 has 2 divisors, whose sum is σ = 55254290. Its totient is φ = 55254288.

The previous prime is 55254263. The next prime is 55254313. The reversal of 55254289 is 98245255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50523664 + 4730625 = 7108^2 + 2175^2 .

It is a cyclic number.

It is not a de Polignac number, because 55254289 - 2¹³ = 55246097 is a prime.

It is not a weakly prime, because it can be changed into another prime (55054289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27627144 + 27627145.

It is an arithmetic number, because the mean of its divisors is an integer number (27627145).

Almost surely, 2^55254289 is an apocalyptic number.

It is an amenable number.

55254289 is a deficient number, since it is larger than the sum of its proper divisors (1).

55254289 is an equidigital number, since it uses as much as digits as its factorization.

55254289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144000, while the sum is 40.

The square root of 55254289 is about 7433.3228774216. The cubic root of 55254289 is about 380.8804354286.

The spelling of 55254289 in words is "fifty-five million, two hundred fifty-four thousand, two hundred eighty-nine".