10013550 has 48 divisors (see below), whose sum is σ = 25026672. Its totient is φ = 2649600.

The previous prime is 10013543. The next prime is 10013573. The reversal of 10013550 is 5531001.

It is a Harshad number since it is a multiple of its sum of digits (15).

10013550 is a modest number, since divided by 13550 gives 100 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36012 + ... + 36288.

It is an arithmetic number, because the mean of its divisors is an integer number (521389).

Almost surely, 2^10013550 is an apocalyptic number.

10013550 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 10013550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12513336).

10013550 is an abundant number, since it is smaller than the sum of its proper divisors (15013122).

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

10013550 is a wasteful number, since it uses less digits than its factorization.

10013550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 10013550 is about 3164.4193780218. The cubic root of 10013550 is about 215.5407337187.

Adding to 10013550 its reverse (5531001), we get a palindrome (15544551).

The spelling of 10013550 in words is "ten million, thirteen thousand, five hundred fifty".