551360507458489 has 9 divisors (see below), whose sum is σ = 561961087880143. Its totient is φ = 540956258000392.

The previous prime is 551360507458483. The next prime is 551360507458559. The reversal of 551360507458489 is 984854705063155.

The square root of 551360507458489 is 23481067.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 397474199930025 + 153886307528464 = 19936755^2 + 12405092^2 .

It is not a de Polignac number, because 551360507458489 - 2⁷ = 551360507458361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551360507458483) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1244275032 + ... + 1244718070.

Almost surely, 2^{551360507458489} is an apocalyptic number.

551360507458489 is the 23481067-th square number.

551360507458489 is the 11740534-th centered octagonal number.

It is an amenable number.

551360507458489 is a deficient number, since it is larger than the sum of its proper divisors (10600580421654).

551360507458489 is an frugal number, since it uses more digits than its factorization.

551360507458489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886184 (or 443092 counting only the distinct ones).

The product of its (nonzero) digits is 725760000, while the sum is 70.

The spelling of 551360507458489 in words is "five hundred fifty-one trillion, three hundred sixty billion, five hundred seven million, four hundred fifty-eight thousand, four hundred eighty-nine".