105530056 has 16 divisors (see below), whose sum is σ = 198434700. Its totient is φ = 52614144.

The previous prime is 105530053. The next prime is 105530077. The reversal of 105530056 is 650035501.

It can be written as a sum of positive squares in 2 ways, for example, as 104244100 + 1285956 = 10210^2 + 1134^2 .

It is a super-2 number, since 2×105530056² = 22273185438726272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105530056.

It is not an unprimeable number, because it can be changed into a prime (105530053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15861 + ... + 21508.

Almost surely, 2^105530056 is an apocalyptic number.

It is an amenable number.

105530056 is a deficient number, since it is larger than the sum of its proper divisors (92904644).

105530056 is a wasteful number, since it uses less digits than its factorization.

105530056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37728 (or 37724 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 105530056 is about 10272.7822910836. The cubic root of 105530056 is about 472.5619205358.

Adding to 105530056 its reverse (650035501), we get a palindrome (755565557).

Subtracting 105530056 from its reverse (650035501), we obtain a palindrome (544505445).

The spelling of 105530056 in words is "one hundred five million, five hundred thirty thousand, fifty-six".