53091203 has 4 divisors (see below), whose sum is σ = 57917688. Its totient is φ = 48264720.

The previous prime is 53091191. The next prime is 53091211. The reversal of 53091203 is 30219035.

It is a happy number.

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 53091203 - 2⁶ = 53091139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53091223) 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, 2413226 + ... + 2413247.

It is an arithmetic number, because the mean of its divisors is an integer number (14479422).

Almost surely, 2^53091203 is an apocalyptic number.

53091203 is a deficient number, since it is larger than the sum of its proper divisors (4826485).

53091203 is a wasteful number, since it uses less digits than its factorization.

53091203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826484.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 53091203 is about 7286.3710446285. The cubic root of 53091203 is about 375.8439139187.

The spelling of 53091203 in words is "fifty-three million, ninety-one thousand, two hundred three".