550698688512 has 168 divisors, whose sum is σ = 1818070527936. Its totient is φ = 157342334976.

The previous prime is 550698688453. The next prime is 550698688577. The reversal of 550698688512 is 215886896055.

550698688512 is a `hidden beast` number, since 5 + 50 + 6 + 9 + 8 + 68 + 8 + 512 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 550698688512.

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, 17428 + ... + 1049619.

Almost surely, 2^550698688512 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 550698688512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909035263968).

550698688512 is an abundant number, since it is smaller than the sum of its proper divisors (1267371839424).

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

550698688512 is a wasteful number, since it uses less digits than its factorization.

550698688512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067086 (or 1067059 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 63.

The spelling of 550698688512 in words is "five hundred fifty billion, six hundred ninety-eight million, six hundred eighty-eight thousand, five hundred twelve".