550634900 has 36 divisors (see below), whose sum is σ = 1199019612. Its totient is φ = 219490560.

The previous prime is 550634899. The next prime is 550634911. The reversal of 550634900 is 9436055.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 34527376 + 516107524 = 5876^2 + 22718^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19904 + ... + 38696.

Almost surely, 2^550634900 is an apocalyptic number.

550634900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550634900 is an abundant number, since it is smaller than the sum of its proper divisors (648384712).

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

550634900 is a wasteful number, since it uses less digits than its factorization.

550634900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19100 (or 19093 counting only the distinct ones).

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

The square root of 550634900 is about 23465.6110084523. The cubic root of 550634900 is about 819.6364142620.

The spelling of 550634900 in words is "five hundred fifty million, six hundred thirty-four thousand, nine hundred".