52448591 has 4 divisors (see below), whose sum is σ = 56483112. Its totient is φ = 48414072.

The previous prime is 52448567. The next prime is 52448629. The reversal of 52448591 is 19584425.

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 52448591 - 2¹⁴ = 52432207 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 (52441591) 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, 2017241 + ... + 2017266.

It is an arithmetic number, because the mean of its divisors is an integer number (14120778).

Almost surely, 2^52448591 is an apocalyptic number.

52448591 is a deficient number, since it is larger than the sum of its proper divisors (4034521).

52448591 is a wasteful number, since it uses less digits than its factorization.

52448591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034520.

The product of its digits is 57600, while the sum is 38.

The square root of 52448591 is about 7242.1399461761. The cubic root of 52448591 is about 374.3213586708.

The spelling of 52448591 in words is "fifty-two million, four hundred forty-eight thousand, five hundred ninety-one".