552166625 has 8 divisors (see below), whose sum is σ = 689104104. Its totient is φ = 441733200.

The previous prime is 552166621. The next prime is 552166633. The reversal of 552166625 is 526661255.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 80712256 + 471454369 = 8984^2 + 21713^2 .

It is not a de Polignac number, because 552166625 - 2² = 552166621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552166621) 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, 2208542 + ... + 2208791.

It is an arithmetic number, because the mean of its divisors is an integer number (86138013).

Almost surely, 2^552166625 is an apocalyptic number.

It is an amenable number.

552166625 is a deficient number, since it is larger than the sum of its proper divisors (136937479).

552166625 is an equidigital number, since it uses as much as digits as its factorization.

552166625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417348 (or 4417338 counting only the distinct ones).

The product of its digits is 108000, while the sum is 38.

The square root of 552166625 is about 23498.2259968705. The cubic root of 552166625 is about 820.3957166976.

The spelling of 552166625 in words is "five hundred fifty-two million, one hundred sixty-six thousand, six hundred twenty-five".