52091803 has 4 divisors (see below), whose sum is σ = 54356688. Its totient is φ = 49826920.

The previous prime is 52091797. The next prime is 52091827. The reversal of 52091803 is 30819025.

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 52091803 - 2¹⁷ = 51960731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52091833) 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, 1132408 + ... + 1132453.

It is an arithmetic number, because the mean of its divisors is an integer number (13589172).

Almost surely, 2^52091803 is an apocalyptic number.

52091803 is a deficient number, since it is larger than the sum of its proper divisors (2264885).

52091803 is a wasteful number, since it uses less digits than its factorization.

52091803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264884.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 52091803 is about 7217.4651367360. The cubic root of 52091803 is about 373.4706376516.

The spelling of 52091803 in words is "fifty-two million, ninety-one thousand, eight hundred three".