53561103 has 4 divisors (see below), whose sum is σ = 71414808. Its totient is φ = 35707400.

The previous prime is 53561099. The next prime is 53561119. The reversal of 53561103 is 30116535.

53561103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53561103 - 2² = 53561099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53561143) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8926848 + ... + 8926853.

It is an arithmetic number, because the mean of its divisors is an integer number (17853702).

Almost surely, 2^53561103 is an apocalyptic number.

53561103 is a deficient number, since it is larger than the sum of its proper divisors (17853705).

53561103 is a wasteful number, since it uses less digits than its factorization.

53561103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17853704.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 53561103 is about 7318.5451423080. The cubic root of 53561103 is about 376.9494992007.

Adding to 53561103 its reverse (30116535), we get a palindrome (83677638).

The spelling of 53561103 in words is "fifty-three million, five hundred sixty-one thousand, one hundred three".