52190903 has 4 divisors (see below), whose sum is σ = 52206168. Its totient is φ = 52175640.

The previous prime is 52190857. The next prime is 52190951. The reversal of 52190903 is 30909125.

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 52190903 - 2⁸ = 52190647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52190993) 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, 125 + ... + 10217.

It is an arithmetic number, because the mean of its divisors is an integer number (13051542).

Almost surely, 2^52190903 is an apocalyptic number.

52190903 is a deficient number, since it is larger than the sum of its proper divisors (15265).

52190903 is a wasteful number, since it uses less digits than its factorization.

52190903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15264.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 52190903 is about 7224.3271659027. The cubic root of 52190903 is about 373.7073191308.

The spelling of 52190903 in words is "fifty-two million, one hundred ninety thousand, nine hundred three".