550516791 has 16 divisors (see below), whose sum is σ = 801377280. Its totient is φ = 333385920.

The previous prime is 550516751. The next prime is 550516843. The reversal of 550516791 is 197615055.

It is not a de Polignac number, because 550516791 - 2¹⁴ = 550500407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550516751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41691 + ... + 53283.

It is an arithmetic number, because the mean of its divisors is an integer number (50086080).

Almost surely, 2^550516791 is an apocalyptic number.

550516791 is a deficient number, since it is larger than the sum of its proper divisors (250860489).

550516791 is a wasteful number, since it uses less digits than its factorization.

550516791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13046.

The product of its (nonzero) digits is 47250, while the sum is 39.

The square root of 550516791 is about 23463.0942332847. The cubic root of 550516791 is about 819.5778071526.

The spelling of 550516791 in words is "five hundred fifty million, five hundred sixteen thousand, seven hundred ninety-one".