52447319 has 4 divisors (see below), whose sum is σ = 54139200. Its totient is φ = 50755440.

The previous prime is 52447313. The next prime is 52447327. The reversal of 52447319 is 91374425.

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 52447319 - 2⁴ = 52447303 is a prime.

It is a super-2 number, since 2×52447319² = 5501442540575522, 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 (52447313) 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, 845894 + ... + 845955.

It is an arithmetic number, because the mean of its divisors is an integer number (13534800).

Almost surely, 2^52447319 is an apocalyptic number.

52447319 is a deficient number, since it is larger than the sum of its proper divisors (1691881).

52447319 is a wasteful number, since it uses less digits than its factorization.

52447319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691880.

The product of its digits is 30240, while the sum is 35.

The square root of 52447319 is about 7242.0521262968. The cubic root of 52447319 is about 374.3183325926.

The spelling of 52447319 in words is "fifty-two million, four hundred forty-seven thousand, three hundred nineteen".