550736112571920 has 1120 divisors, whose sum is σ = 2146610050485120. Its totient is φ = 130190126653440.

The previous prime is 550736112571891. The next prime is 550736112571937. The reversal of 550736112571920 is 29175211637055.

It is a happy number.

550736112571920 is a `hidden beast` number, since 5 + 5 + 0 + 7 + 3 + 61 + 1 + 2 + 571 + 9 + 2 + 0 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 16909809396 + ... + 16909841964.

Almost surely, 2^{550736112571920} 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 550736112571920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073305025242560).

550736112571920 is an abundant number, since it is smaller than the sum of its proper divisors (1595873937913200).

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

550736112571920 is a wasteful number, since it uses less digits than its factorization.

550736112571920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33267 (or 33246 counting only the distinct ones).

The product of its (nonzero) digits is 3969000, while the sum is 54.

The spelling of 550736112571920 in words is "five hundred fifty trillion, seven hundred thirty-six billion, one hundred twelve million, five hundred seventy-one thousand, nine hundred twenty".