52667719 has 4 divisors (see below), whose sum is σ = 56719096. Its totient is φ = 48616344.

The previous prime is 52667701. The next prime is 52667731. The reversal of 52667719 is 91776625.

52667719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52667719 - 2²³ = 44279111 is a prime.

It is a super-2 number, since 2×52667719² = 5547777249325922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52667759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2025669 + ... + 2025694.

It is an arithmetic number, because the mean of its divisors is an integer number (14179774).

Almost surely, 2^52667719 is an apocalyptic number.

52667719 is a deficient number, since it is larger than the sum of its proper divisors (4051377).

52667719 is a wasteful number, since it uses less digits than its factorization.

52667719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051376.

The product of its digits is 158760, while the sum is 43.

The square root of 52667719 is about 7257.2528549032. The cubic root of 52667719 is about 374.8419339756.

The spelling of 52667719 in words is "fifty-two million, six hundred sixty-seven thousand, seven hundred nineteen".