52142449 has 8 divisors (see below), whose sum is σ = 55100160. Its totient is φ = 49242336.

The previous prime is 52142413. The next prime is 52142459. The reversal of 52142449 is 94424125.

52142449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52142449 - 2²³ = 43753841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52142449.

It is not an unprimeable number, because it can be changed into a prime (52142459) 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 7 ways as a sum of consecutive naturals, for example, 12532 + ... + 16165.

It is an arithmetic number, because the mean of its divisors is an integer number (6887520).

Almost surely, 2^52142449 is an apocalyptic number.

It is an amenable number.

52142449 is a deficient number, since it is larger than the sum of its proper divisors (2957711).

52142449 is a wasteful number, since it uses less digits than its factorization.

52142449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28799.

The product of its digits is 11520, while the sum is 31.

The square root of 52142449 is about 7220.9728568940. The cubic root of 52142449 is about 373.5916334462.

The spelling of 52142449 in words is "fifty-two million, one hundred forty-two thousand, four hundred forty-nine".