552097729 has 4 divisors (see below), whose sum is σ = 584574084. Its totient is φ = 519621376.

The previous prime is 552097709. The next prime is 552097781. The reversal of 552097729 is 927790255.

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 193071025 + 359026704 = 13895^2 + 18948^2 .

It is a cyclic number.

It is not a de Polignac number, because 552097729 - 2¹⁹ = 551573441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552097709) 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 3 ways as a sum of consecutive naturals, for example, 16238152 + ... + 16238185.

It is an arithmetic number, because the mean of its divisors is an integer number (146143521).

Almost surely, 2^552097729 is an apocalyptic number.

It is an amenable number.

552097729 is a deficient number, since it is larger than the sum of its proper divisors (32476355).

552097729 is a wasteful number, since it uses less digits than its factorization.

552097729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32476354.

The product of its (nonzero) digits is 396900, while the sum is 46.

The square root of 552097729 is about 23496.7599681318. The cubic root of 552097729 is about 820.3615939457.

It can be divided in two parts, 552097 and 729, that added together give a triangular number (552826 = T₁₀₅₁).

The spelling of 552097729 in words is "five hundred fifty-two million, ninety-seven thousand, seven hundred twenty-nine".