550113132 has 24 divisors (see below), whose sum is σ = 1359103536. Its totient is φ = 172584448.

The previous prime is 550113121. The next prime is 550113133. The reversal of 550113132 is 231311055.

It is a junction number, because it is equal to n+sod(n) for n = 550113099 and 550113108.

It is not an unprimeable number, because it can be changed into a prime (550113133) 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 7 ways as a sum of consecutive naturals, for example, 1348113 + ... + 1348520.

It is an arithmetic number, because the mean of its divisors is an integer number (56629314).

Almost surely, 2^550113132 is an apocalyptic number.

It is an amenable number.

550113132 is an abundant number, since it is smaller than the sum of its proper divisors (808990404).

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

550113132 is a wasteful number, since it uses less digits than its factorization.

550113132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696657 (or 2696655 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 550113132 is about 23454.4906574413. The cubic root of 550113132 is about 819.3774433881.

Adding to 550113132 its reverse (231311055), we get a palindrome (781424187).

The spelling of 550113132 in words is "five hundred fifty million, one hundred thirteen thousand, one hundred thirty-two".