552039991 has 2 divisors, whose sum is σ = 552039992. Its totient is φ = 552039990.

The previous prime is 552039989. The next prime is 552040067. The reversal of 552039991 is 199930255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 552039991 - 2¹ = 552039989 is a prime.

Together with 552039989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552030991) 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 as a sum of consecutive naturals, namely, 276019995 + 276019996.

It is an arithmetic number, because the mean of its divisors is an integer number (276019996).

Almost surely, 2^552039991 is an apocalyptic number.

552039991 is a deficient number, since it is larger than the sum of its proper divisors (1).

552039991 is an equidigital number, since it uses as much as digits as its factorization.

552039991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109350, while the sum is 43.

The square root of 552039991 is about 23495.5312985257. The cubic root of 552039991 is about 820.3329953320.

The spelling of 552039991 in words is "five hundred fifty-two million, thirty-nine thousand, nine hundred ninety-one".