550826766 has 24 divisors (see below), whose sum is σ = 1363952304. Its totient is φ = 157379040.

The previous prime is 550826719. The next prime is 550826791. The reversal of 550826766 is 667628055.

550826766 is a `hidden beast` number, since 550 + 8 + 26 + 76 + 6 = 666.

It is a super-2 number, since 2×550826766² = 606820252284037512, which contains 22 as substring.

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, 2185695 + ... + 2185946.

It is an arithmetic number, because the mean of its divisors is an integer number (56831346).

Almost surely, 2^550826766 is an apocalyptic number.

550826766 is an abundant number, since it is smaller than the sum of its proper divisors (813125538).

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

550826766 is a wasteful number, since it uses less digits than its factorization.

550826766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371656 (or 4371653 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 550826766 is about 23469.6988902713. The cubic root of 550826766 is about 819.7316026214.

The spelling of 550826766 in words is "five hundred fifty million, eight hundred twenty-six thousand, seven hundred sixty-six".