551263441 has 9 divisors (see below), whose sum is σ = 563132059. Its totient is φ = 539641336.

The previous prime is 551263429. The next prime is 551263469. The reversal of 551263441 is 144362155.

It is a happy number.

The square root of 551263441 is 23479.

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

551263441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 397404225 + 153859216 = 19935^2 + 12404^2 .

It is not a de Polignac number, because 551263441 - 2¹⁹ = 550739153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551263541) 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, 1244166 + ... + 1244608.

Almost surely, 2^551263441 is an apocalyptic number.

551263441 is the 23479-th square number.

551263441 is the 11740-th centered octagonal number.

It is an amenable number.

551263441 is a deficient number, since it is larger than the sum of its proper divisors (11868618).

551263441 is an frugal number, since it uses more digits than its factorization.

551263441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992 (or 496 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The cubic root of 551263441 is about 819.9481629932.

Multiplying 551263441 by its product of digits (14400), we get a square (7938193550400 = 2817480²).

The spelling of 551263441 in words is "five hundred fifty-one million, two hundred sixty-three thousand, four hundred forty-one".