552031691 has 2 divisors, whose sum is σ = 552031692. Its totient is φ = 552031690.

The previous prime is 552031661. The next prime is 552031703. The reversal of 552031691 is 196130255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 552031691 - 2¹⁰ = 552030667 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (552031661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276015845 + 276015846.

It is an arithmetic number, because the mean of its divisors is an integer number (276015846).

Almost surely, 2^552031691 is an apocalyptic number.

552031691 is a deficient number, since it is larger than the sum of its proper divisors (1).

552031691 is an equidigital number, since it uses as much as digits as its factorization.

552031691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 552031691 is about 23495.3546685297. The cubic root of 552031691 is about 820.3288840369.

The spelling of 552031691 in words is "five hundred fifty-two million, thirty-one thousand, six hundred ninety-one".