52727719 has 4 divisors (see below), whose sum is σ = 57521160. Its totient is φ = 47934280.

The previous prime is 52727699. The next prime is 52727723. The reversal of 52727719 is 91772725.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52727719 is a prime.

It is a super-2 number, since 2×52727719² = 5560424701885922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52727789) 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, 2396704 + ... + 2396725.

It is an arithmetic number, because the mean of its divisors is an integer number (14380290).

Almost surely, 2^52727719 is an apocalyptic number.

52727719 is a deficient number, since it is larger than the sum of its proper divisors (4793441).

52727719 is a wasteful number, since it uses less digits than its factorization.

52727719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793440.

The product of its digits is 61740, while the sum is 40.

The square root of 52727719 is about 7261.3854738610. The cubic root of 52727719 is about 374.9842221510.

The spelling of 52727719 in words is "fifty-two million, seven hundred twenty-seven thousand, seven hundred nineteen".