550963791 has 36 divisors (see below), whose sum is σ = 927844632. Its totient is φ = 314131104.

The previous prime is 550963769. The next prime is 550963793. The reversal of 550963791 is 197369055.

550963791 is a `hidden beast` number, since 5 + 5 + 0 + 9 + 637 + 9 + 1 = 666.

It is not a de Polignac number, because 550963791 - 2¹⁷ = 550832719 is a prime.

It is a super-2 number, since 2×550963791² = 607122197986183362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550963793) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 244516 + ... + 246758.

It is an arithmetic number, because the mean of its divisors is an integer number (25773462).

Almost surely, 2^550963791 is an apocalyptic number.

550963791 is a deficient number, since it is larger than the sum of its proper divisors (376880841).

550963791 is a wasteful number, since it uses less digits than its factorization.

550963791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820 (or 2810 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 45.

The square root of 550963791 is about 23472.6178983087. The cubic root of 550963791 is about 819.7995697919.

The spelling of 550963791 in words is "five hundred fifty million, nine hundred sixty-three thousand, seven hundred ninety-one".