53911103 has 6 divisors (see below), whose sum is σ = 56291832. Its totient is φ = 51533460.

The previous prime is 53911093. The next prime is 53911111. The reversal of 53911103 is 30111935.

It is not a de Polignac number, because 53911103 - 2¹⁰ = 53910079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53911153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34448 + ... + 35978.

It is an arithmetic number, because the mean of its divisors is an integer number (9381972).

Almost surely, 2^53911103 is an apocalyptic number.

53911103 is a deficient number, since it is larger than the sum of its proper divisors (2380729).

53911103 is an frugal number, since it uses more digits than its factorization.

53911103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085 (or 1554 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 53911103 is about 7342.4180621918. The cubic root of 53911103 is about 377.7687877106.

Multiplying 53911103 by its sum of digits (23), we get a square (1239955369 = 35213²).

53911103 divided by its sum of digits (23) gives a square (2343961 = 1531²).

The spelling of 53911103 in words is "fifty-three million, nine hundred eleven thousand, one hundred three".