552039989 has 2 divisors, whose sum is σ = 552039990. Its totient is φ = 552039988.

The previous prime is 552039973. The next prime is 552039991. The reversal of 552039989 is 989930255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 552015025 + 24964 = 23495^2 + 158^2 .

It is a cyclic number.

It is not a de Polignac number, because 552039989 - 2⁴ = 552039973 is a prime.

Together with 552039991, 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 (552039919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276019994 + 276019995.

It is an arithmetic number, because the mean of its divisors is an integer number (276019995).

Almost surely, 2^552039989 is an apocalyptic number.

It is an amenable number.

552039989 is a deficient number, since it is larger than the sum of its proper divisors (1).

552039989 is an equidigital number, since it uses as much as digits as its factorization.

552039989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 874800, while the sum is 50.

The square root of 552039989 is about 23495.5312559644. The cubic root of 552039989 is about 820.3329943414.

The spelling of 552039989 in words is "five hundred fifty-two million, thirty-nine thousand, nine hundred eighty-nine".