552247813 has 4 divisors (see below), whose sum is σ = 594728428. Its totient is φ = 509767200.

The previous prime is 552247799. The next prime is 552247849. The reversal of 552247813 is 318742255.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76702564 + 475545249 = 8758^2 + 21807^2 .

It is a cyclic number.

It is not a de Polignac number, because 552247813 - 2²¹ = 550150661 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 (552247013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21240288 + ... + 21240313.

It is an arithmetic number, because the mean of its divisors is an integer number (148682107).

Almost surely, 2^552247813 is an apocalyptic number.

It is an amenable number.

552247813 is a deficient number, since it is larger than the sum of its proper divisors (42480615).

552247813 is a wasteful number, since it uses less digits than its factorization.

552247813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42480614.

The product of its digits is 67200, while the sum is 37.

The square root of 552247813 is about 23499.9534680390. The cubic root of 552247813 is about 820.4359237778.

It can be divided in two parts, 5522 and 47813, that added together give a palindrome (53335).

The spelling of 552247813 in words is "five hundred fifty-two million, two hundred forty-seven thousand, eight hundred thirteen".