552521530 has 64 divisors (see below), whose sum is σ = 1120106880. Its totient is φ = 194515200.

The previous prime is 552521483. The next prime is 552521549. The reversal of 552521530 is 35125255.

It is a super-2 number, since 2×552521530² = 610560082227081800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 448956 + ... + 450184.

It is an arithmetic number, because the mean of its divisors is an integer number (17501670).

Almost surely, 2^552521530 is an apocalyptic number.

552521530 is an abundant number, since it is smaller than the sum of its proper divisors (567585350).

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

552521530 is a wasteful number, since it uses less digits than its factorization.

552521530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 552521530 is about 23505.7765240802. The cubic root of 552521530 is about 820.5714487861.

Adding to 552521530 its reverse (35125255), we get a palindrome (587646785).

The spelling of 552521530 in words is "five hundred fifty-two million, five hundred twenty-one thousand, five hundred thirty".