550685768688 has 60 divisors (see below), whose sum is σ = 1681260344088. Its totient is φ = 166874474880.

The previous prime is 550685768657. The next prime is 550685768797. The reversal of 550685768688 is 886867586055.

550685768688 is a `hidden beast` number, since 5 + 506 + 8 + 57 + 6 + 8 + 68 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 173825995 + ... + 173829162.

Almost surely, 2^550685768688 is an apocalyptic number.

It is an amenable number.

550685768688 is an abundant number, since it is smaller than the sum of its proper divisors (1130574575400).

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

550685768688 is a wasteful number, since it uses less digits than its factorization.

550685768688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347655182 (or 347655173 counting only the distinct ones).

The product of its (nonzero) digits is 774144000, while the sum is 72.

The spelling of 550685768688 in words is "five hundred fifty billion, six hundred eighty-five million, seven hundred sixty-eight thousand, six hundred eighty-eight".