52311449 has 4 divisors (see below), whose sum is σ = 53587380. Its totient is φ = 51035520.

The previous prime is 52311439. The next prime is 52311461. The reversal of 52311449 is 94411325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 931225 + 51380224 = 965^2 + 7168^2 .

It is a cyclic number.

It is not a de Polignac number, because 52311449 - 2⁴ = 52311433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52311409) 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, 637904 + ... + 637985.

It is an arithmetic number, because the mean of its divisors is an integer number (13396845).

Almost surely, 2^52311449 is an apocalyptic number.

It is an amenable number.

52311449 is a deficient number, since it is larger than the sum of its proper divisors (1275931).

52311449 is a wasteful number, since it uses less digits than its factorization.

52311449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275930.

The product of its digits is 4320, while the sum is 29.

The square root of 52311449 is about 7232.6654146310. The cubic root of 52311449 is about 373.9948167659.

The spelling of 52311449 in words is "fifty-two million, three hundred eleven thousand, four hundred forty-nine".