552606749 has 2 divisors, whose sum is σ = 552606750. Its totient is φ = 552606748.

The previous prime is 552606737. The next prime is 552606751. The reversal of 552606749 is 947606255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336722500 + 215884249 = 18350^2 + 14693^2 .

It is a cyclic number.

It is not a de Polignac number, because 552606749 - 2¹² = 552602653 is a prime.

Together with 552606751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552606149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276303374 + 276303375.

It is an arithmetic number, because the mean of its divisors is an integer number (276303375).

Almost surely, 2^552606749 is an apocalyptic number.

It is an amenable number.

552606749 is a deficient number, since it is larger than the sum of its proper divisors (1).

552606749 is an equidigital number, since it uses as much as digits as its factorization.

552606749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 552606749 is about 23507.5891788163. The cubic root of 552606749 is about 820.6136339798.

It can be divided in two parts, 552606 and 749, that added together give a palindrome (553355).

The spelling of 552606749 in words is "five hundred fifty-two million, six hundred six thousand, seven hundred forty-nine".