10555352550 has 72 divisors (see below), whose sum is σ = 28517360040. Its totient is φ = 2799014400.

The previous prime is 10555352539. The next prime is 10555352551. The reversal of 10555352550 is 5525355501.

10555352550 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 53 + 52 + 550 = 666.

It is a super-2 number, since 2×10555352550² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555352551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15030 + ... + 146070.

It is an arithmetic number, because the mean of its divisors is an integer number (396074445).

Almost surely, 2^10555352550 is an apocalyptic number.

10555352550 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 10555352550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14258680020).

10555352550 is an abundant number, since it is smaller than the sum of its proper divisors (17962007490).

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

10555352550 is a wasteful number, since it uses less digits than its factorization.

10555352550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131238 (or 131230 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The spelling of 10555352550 in words is "ten billion, five hundred fifty-five million, three hundred fifty-two thousand, five hundred fifty".