552381522 has 64 divisors (see below), whose sum is σ = 1380685824. Its totient is φ = 143130240.

The previous prime is 552381521. The next prime is 552381559. The reversal of 552381522 is 225183255.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (552381521) 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, 231198 + ... + 233574.

It is an arithmetic number, because the mean of its divisors is an integer number (21573216).

Almost surely, 2^552381522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552381522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (690342912).

552381522 is an abundant number, since it is smaller than the sum of its proper divisors (828304302).

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

552381522 is a wasteful number, since it uses less digits than its factorization.

552381522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903.

The product of its digits is 24000, while the sum is 33.

The square root of 552381522 is about 23502.7981738345. The cubic root of 552381522 is about 820.5021324689.

The spelling of 552381522 in words is "five hundred fifty-two million, three hundred eighty-one thousand, five hundred twenty-two".