105521053 has 8 divisors (see below), whose sum is σ = 119083680. Its totient is φ = 92620080.

The previous prime is 105521051. The next prime is 105521081. The reversal of 105521053 is 350125501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105521053 - 2¹ = 105521051 is a prime.

It is a super-2 number, since 2×105521053² = 22269385252457618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105521051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165075 + ... + 165712.

It is an arithmetic number, because the mean of its divisors is an integer number (14885460).

Almost surely, 2^105521053 is an apocalyptic number.

It is an amenable number.

105521053 is a deficient number, since it is larger than the sum of its proper divisors (13562627).

105521053 is a wasteful number, since it uses less digits than its factorization.

105521053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330827.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 105521053 is about 10272.3440849691. The cubic root of 105521053 is about 472.5484817231.

Adding to 105521053 its reverse (350125501), we get a palindrome (455646554).

The spelling of 105521053 in words is "one hundred five million, five hundred twenty-one thousand, fifty-three".