10550800530 has 64 divisors (see below), whose sum is σ = 28179688320. Its totient is φ = 2809124928.

The previous prime is 10550800517. The next prime is 10550800531. The reversal of 10550800530 is 3500805501.

10550800530 is a `hidden beast` number, since 1 + 0 + 5 + 50 + 80 + 0 + 530 = 666.

It is a super-2 number, since 2×10550800530² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 10550800494 and 10550800503.

It is not an unprimeable number, because it can be changed into a prime (10550800531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143224 + ... + 203996.

It is an arithmetic number, because the mean of its divisors is an integer number (440307630).

Almost surely, 2^10550800530 is an apocalyptic number.

10550800530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10550800530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14089844160).

10550800530 is an abundant number, since it is smaller than the sum of its proper divisors (17628887790).

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

10550800530 is a wasteful number, since it uses less digits than its factorization.

10550800530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61432 (or 61426 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 10550800530 in words is "ten billion, five hundred fifty million, eight hundred thousand, five hundred thirty".