553909122 has 48 divisors (see below), whose sum is σ = 1307025720. Its totient is φ = 168512256.

The previous prime is 553909121. The next prime is 553909141. The reversal of 553909122 is 221909355.

It is a happy number.

553909122 is a `hidden beast` number, since 553 + 90 + 9 + 12 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 416527281 + 137381841 = 20409^2 + 11721^2 .

It is not an unprimeable number, because it can be changed into a prime (553909121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7528 + ... + 34124.

Almost surely, 2^553909122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553909122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653512860).

553909122 is an abundant number, since it is smaller than the sum of its proper divisors (753116598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553909122 is a wasteful number, since it uses less digits than its factorization.

553909122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26707 (or 26704 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 553909122 is about 23535.2739945810. The cubic root of 553909122 is about 821.2577970250.

The spelling of 553909122 in words is "five hundred fifty-three million, nine hundred nine thousand, one hundred twenty-two".