550148268 has 72 divisors (see below), whose sum is σ = 1378820800. Its totient is φ = 170254656.

The previous prime is 550148251. The next prime is 550148303. The reversal of 550148268 is 862841055.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 640023 + ... + 640881.

Almost surely, 2^550148268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550148268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689410400).

550148268 is an abundant number, since it is smaller than the sum of its proper divisors (828672532).

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

550148268 is a wasteful number, since it uses less digits than its factorization.

550148268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 550148268 is about 23455.2396704873. The cubic root of 550148268 is about 819.3948876987.

The spelling of 550148268 in words is "five hundred fifty million, one hundred forty-eight thousand, two hundred sixty-eight".