550823687 has 2 divisors, whose sum is σ = 550823688. Its totient is φ = 550823686.

The previous prime is 550823677. The next prime is 550823701. The reversal of 550823687 is 786328055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550823687 - 2⁸ = 550823431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550823657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275411843 + 275411844.

It is an arithmetic number, because the mean of its divisors is an integer number (275411844).

Almost surely, 2^550823687 is an apocalyptic number.

550823687 is a deficient number, since it is larger than the sum of its proper divisors (1).

550823687 is an equidigital number, since it uses as much as digits as its factorization.

550823687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 550823687 is about 23469.6332949622. The cubic root of 550823687 is about 819.7300752457.

The spelling of 550823687 in words is "five hundred fifty million, eight hundred twenty-three thousand, six hundred eighty-seven".