550086628 has 24 divisors (see below), whose sum is σ = 1184802752. Its totient is φ = 217616544.

The previous prime is 550086623. The next prime is 550086631. The reversal of 550086628 is 826680055.

It is not an unprimeable number, because it can be changed into a prime (550086623) 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, 755250 + ... + 755977.

Almost surely, 2^550086628 is an apocalyptic number.

It is an amenable number.

550086628 is an abundant number, since it is smaller than the sum of its proper divisors (634716124).

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

550086628 is a wasteful number, since it uses less digits than its factorization.

550086628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511251 (or 1511249 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 550086628 is about 23453.9256415637. The cubic root of 550086628 is about 819.3642841988.

The spelling of 550086628 in words is "five hundred fifty million, eighty-six thousand, six hundred twenty-eight".