550072164 has 24 divisors (see below), whose sum is σ = 1283890048. Its totient is φ = 183301920.

The previous prime is 550072157. The next prime is 550072177. The reversal of 550072164 is 461270055.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61029 + ... + 69459.

Almost surely, 2^550072164 is an apocalyptic number.

It is an amenable number.

550072164 is an abundant number, since it is smaller than the sum of its proper divisors (733817884).

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

550072164 is a wasteful number, since it uses less digits than its factorization.

550072164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13875 (or 13873 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 550072164 is about 23453.6172903030. The cubic root of 550072164 is about 819.3571026700.

The spelling of 550072164 in words is "five hundred fifty million, seventy-two thousand, one hundred sixty-four".