550252122 has 64 divisors (see below), whose sum is σ = 1328747520. Its totient is φ = 148397184.

The previous prime is 550252121. The next prime is 550252133. The reversal of 550252122 is 221252055.

It is a junction number, because it is equal to n+sod(n) for n = 550252092 and 550252101.

It is not an unprimeable number, because it can be changed into a prime (550252121) 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 31 ways as a sum of consecutive naturals, for example, 248673 + ... + 250875.

It is an arithmetic number, because the mean of its divisors is an integer number (20761680).

Almost surely, 2^550252122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550252122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664373760).

550252122 is an abundant number, since it is smaller than the sum of its proper divisors (778495398).

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

550252122 is a wasteful number, since it uses less digits than its factorization.

550252122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 550252122 is about 23457.4534423496. The cubic root of 550252122 is about 819.4464447591.

The spelling of 550252122 in words is "five hundred fifty million, two hundred fifty-two thousand, one hundred twenty-two".