551467489 has 2 divisors, whose sum is σ = 551467490. Its totient is φ = 551467488.

The previous prime is 551467421. The next prime is 551467519. The reversal of 551467489 is 984764155.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313290000 + 238177489 = 17700^2 + 15433^2 .

It is a cyclic number.

It is not a de Polignac number, because 551467489 - 2⁹ = 551466977 is a prime.

It is not a weakly prime, because it can be changed into another prime (551467409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275733744 + 275733745.

It is an arithmetic number, because the mean of its divisors is an integer number (275733745).

Almost surely, 2^551467489 is an apocalyptic number.

It is an amenable number.

551467489 is a deficient number, since it is larger than the sum of its proper divisors (1).

551467489 is an equidigital number, since it uses as much as digits as its factorization.

551467489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 49.

The square root of 551467489 is about 23483.3449278419. The cubic root of 551467489 is about 820.0493173789.

The spelling of 551467489 in words is "five hundred fifty-one million, four hundred sixty-seven thousand, four hundred eighty-nine".