550997064 has 48 divisors (see below), whose sum is σ = 1580068620. Its totient is φ = 172861440.

The previous prime is 550997059. The next prime is 550997089. The reversal of 550997064 is 460799055.

It is a happy number.

550997064 is a `hidden beast` number, since 550 + 9 + 97 + 0 + 6 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 535552164 + 15444900 = 23142^2 + 3930^2 .

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, 223857 + ... + 226304.

Almost surely, 2^550997064 is an apocalyptic number.

It is an amenable number.

550997064 is an abundant number, since it is smaller than the sum of its proper divisors (1029071556).

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

550997064 is a wasteful number, since it uses less digits than its factorization.

550997064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450190 (or 450183 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 550997064 is about 23473.3266496251. The cubic root of 550997064 is about 819.8160721722.

The spelling of 550997064 in words is "five hundred fifty million, nine hundred ninety-seven thousand, sixty-four".