52721183 has 4 divisors (see below), whose sum is σ = 52735728. Its totient is φ = 52706640.

The previous prime is 52721113. The next prime is 52721287. The reversal of 52721183 is 38112725.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52721183 - 2¹⁰ = 52720159 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 (52721113) 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, 3035 + ... + 10707.

It is an arithmetic number, because the mean of its divisors is an integer number (13183932).

Almost surely, 2^52721183 is an apocalyptic number.

52721183 is a deficient number, since it is larger than the sum of its proper divisors (14545).

52721183 is an equidigital number, since it uses as much as digits as its factorization.

52721183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14544.

The product of its digits is 3360, while the sum is 29.

The square root of 52721183 is about 7260.9354080587. The cubic root of 52721183 is about 374.9687274662.

The spelling of 52721183 in words is "fifty-two million, seven hundred twenty-one thousand, one hundred eighty-three".