550971798 has 16 divisors (see below), whose sum is σ = 1186708656. Its totient is φ = 169529760.

The previous prime is 550971797. The next prime is 550971829. The reversal of 550971798 is 897179055.

It is a self number, because there is not a number n which added to its sum of digits gives 550971798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550971791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3531793 + ... + 3531948.

It is an arithmetic number, because the mean of its divisors is an integer number (74169291).

Almost surely, 2^550971798 is an apocalyptic number.

550971798 is an abundant number, since it is smaller than the sum of its proper divisors (635736858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550971798 is a wasteful number, since it uses less digits than its factorization.

550971798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7063759.

The product of its (nonzero) digits is 793800, while the sum is 51.

The square root of 550971798 is about 23472.7884581274. The cubic root of 550971798 is about 819.8035410773.

The spelling of 550971798 in words is "five hundred fifty million, nine hundred seventy-one thousand, seven hundred ninety-eight".