551034342235522 has 16 divisors (see below), whose sum is σ = 855055113003000. Its totient is φ = 266016011752960.

The previous prime is 551034342235499. The next prime is 551034342235543. The reversal of 551034342235522 is 225532243430155.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 241665959180881 + 309368383054641 = 15545609^2 + 17588871^2 .

It is a super-2 number, since 2×551034342235522² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17970354 + ... + 37749202.

Almost surely, 2^{551034342235522} is an apocalyptic number.

551034342235522 is a deficient number, since it is larger than the sum of its proper divisors (304020770767478).

551034342235522 is a wasteful number, since it uses less digits than its factorization.

551034342235522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20259221.

The product of its (nonzero) digits is 4320000, while the sum is 46.

Adding to 551034342235522 its reverse (225532243430155), we get a palindrome (776566585665677).

The spelling of 551034342235522 in words is "five hundred fifty-one trillion, thirty-four billion, three hundred forty-two million, two hundred thirty-five thousand, five hundred twenty-two".