550606631 has 2 divisors, whose sum is σ = 550606632. Its totient is φ = 550606630.

The previous prime is 550606627. The next prime is 550606741. The reversal of 550606631 is 136606055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550606631 - 2² = 550606627 is a prime.

It is a super-2 number, since 2×550606631² = 606335324202340322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550606601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275303315 + 275303316.

It is an arithmetic number, because the mean of its divisors is an integer number (275303316).

Almost surely, 2^550606631 is an apocalyptic number.

550606631 is a deficient number, since it is larger than the sum of its proper divisors (1).

550606631 is an equidigital number, since it uses as much as digits as its factorization.

550606631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 550606631 is about 23465.0086511810. The cubic root of 550606631 is about 819.6223876064.

The spelling of 550606631 in words is "five hundred fifty million, six hundred six thousand, six hundred thirty-one".