550510000056 has 96 divisors (see below), whose sum is σ = 1504542227760. Its totient is φ = 181833071616.

The previous prime is 550510000003. The next prime is 550510000081. The reversal of 550510000056 is 650000015055.

550510000056 is a `hidden beast` number, since 5 + 505 + 100 + 0 + 0 + 0 + 56 = 666.

It is a super-2 number, since 2×550510000056² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550509999984 and 550510000029.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49160250 + ... + 49171446.

Almost surely, 2^550510000056 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 550510000056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (752271113880).

550510000056 is an abundant number, since it is smaller than the sum of its proper divisors (954032227704).

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

550510000056 is a wasteful number, since it uses less digits than its factorization.

550510000056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17365 (or 17358 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 550510000056 in words is "five hundred fifty billion, five hundred ten million, fifty-six", and thus it is an aban number.