105520383 has 12 divisors (see below), whose sum is σ = 153990928. Its totient is φ = 69621120.

The previous prime is 105520381. The next prime is 105520391. The reversal of 105520383 is 383025501.

105520383 is a `hidden beast` number, since 105 + 520 + 38 + 3 = 666.

It is not a de Polignac number, because 105520383 - 2¹ = 105520381 is a prime.

It is a super-2 number, since 2×105520383² = 22269102456933378, 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 (105520381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59563 + ... + 61308.

Almost surely, 2^105520383 is an apocalyptic number.

105520383 is a deficient number, since it is larger than the sum of its proper divisors (48470545).

105520383 is a wasteful number, since it uses less digits than its factorization.

105520383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120974 (or 120971 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 105520383 is about 10272.3114730814. The cubic root of 105520383 is about 472.5474815810.

Adding to 105520383 its reverse (383025501), we get a palindrome (488545884).

The spelling of 105520383 in words is "one hundred five million, five hundred twenty thousand, three hundred eighty-three".