10553534550 has 360 divisors, whose sum is σ = 33657182856. Its totient is φ = 2442286080.

The previous prime is 10553534539. The next prime is 10553534573. The reversal of 10553534550 is 5543535501.

10553534550 is a `hidden beast` number, since 1 + 0 + 5 + 53 + 53 + 4 + 550 = 666.

It is a super-2 number, since 2×10553534550² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 11635197 + ... + 11636103.

Almost surely, 2^10553534550 is an apocalyptic number.

10553534550 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 10553534550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16828591428).

10553534550 is an abundant number, since it is smaller than the sum of its proper divisors (23103648306).

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

10553534550 is a wasteful number, since it uses less digits than its factorization.

10553534550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 36.

The spelling of 10553534550 in words is "ten billion, five hundred fifty-three million, five hundred thirty-four thousand, five hundred fifty".