10552403550 has 96 divisors (see below), whose sum is σ = 28276440192. Its totient is φ = 2588906880.

The previous prime is 10552403549. The next prime is 10552403567. The reversal of 10552403550 is 5530425501.

It is a happy number.

It is a super-2 number, since 2×10552403550² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 589837 + ... + 607463.

It is an arithmetic number, because the mean of its divisors is an integer number (294546252).

Almost surely, 2^10552403550 is an apocalyptic number.

10552403550 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 10552403550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14138220096).

10552403550 is an abundant number, since it is smaller than the sum of its proper divisors (17724036642).

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

10552403550 is a wasteful number, since it uses less digits than its factorization.

10552403550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17962 (or 17957 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 10552403550 in words is "ten billion, five hundred fifty-two million, four hundred three thousand, five hundred fifty".