552803261 has 4 divisors (see below), whose sum is σ = 556513500. Its totient is φ = 549093024.

The previous prime is 552803257. The next prime is 552803269. The reversal of 552803261 is 162308255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 162308255 = 5 ⋅32461651.

It can be written as a sum of positive squares in 2 ways, for example, as 123899161 + 428904100 = 11131^2 + 20710^2 .

It is a cyclic number.

It is not a de Polignac number, because 552803261 - 2² = 552803257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552803269) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1854896 + ... + 1855193.

It is an arithmetic number, because the mean of its divisors is an integer number (139128375).

Almost surely, 2^552803261 is an apocalyptic number.

It is an amenable number.

552803261 is a deficient number, since it is larger than the sum of its proper divisors (3710239).

552803261 is a wasteful number, since it uses less digits than its factorization.

552803261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710238.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 552803261 is about 23511.7685638490. The cubic root of 552803261 is about 820.7108950160.

The spelling of 552803261 in words is "five hundred fifty-two million, eight hundred three thousand, two hundred sixty-one".