552145252 has 24 divisors (see below), whose sum is σ = 982406880. Its totient is φ = 271495680.

The previous prime is 552145249. The next prime is 552145273. The reversal of 552145252 is 252541255.

It is a happy number.

It is a super-2 number, since 2×552145252² = 609728758612287008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54852 + ... + 64132.

It is an arithmetic number, because the mean of its divisors is an integer number (40933620).

Almost surely, 2^552145252 is an apocalyptic number.

It is an amenable number.

552145252 is a deficient number, since it is larger than the sum of its proper divisors (430261628).

552145252 is a wasteful number, since it uses less digits than its factorization.

552145252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9531 (or 9529 counting only the distinct ones).

The product of its digits is 20000, while the sum is 31.

The square root of 552145252 is about 23497.7712134577. The cubic root of 552145252 is about 820.3851314002.

The spelling of 552145252 in words is "five hundred fifty-two million, one hundred forty-five thousand, two hundred fifty-two".