550592779968 has 560 divisors, whose sum is σ = 2041945323264. Its totient is φ = 142513551360.

The previous prime is 550592779949. The next prime is 550592780021. The reversal of 550592779968 is 869977295055.

550592779968 is a `hidden beast` number, since 5 + 505 + 9 + 27 + 7 + 9 + 96 + 8 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 550592779896 and 550592779905.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 122542330 + ... + 122546822.

Almost surely, 2^550592779968 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 550592779968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1020972661632).

550592779968 is an abundant number, since it is smaller than the sum of its proper divisors (1491352543296).

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

550592779968 is a wasteful number, since it uses less digits than its factorization.

550592779968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842 (or 4823 counting only the distinct ones).

The product of its (nonzero) digits is 428652000, while the sum is 72.

The spelling of 550592779968 in words is "five hundred fifty billion, five hundred ninety-two million, seven hundred seventy-nine thousand, nine hundred sixty-eight".