52750249 has 8 divisors (see below), whose sum is σ = 53439008. Its totient is φ = 52064640.

The previous prime is 52750241. The next prime is 52750253. The reversal of 52750249 is 94205725.

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 52750249 - 2³ = 52750241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52750241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66634 + ... + 67420.

It is an arithmetic number, because the mean of its divisors is an integer number (6679876).

Almost surely, 2^52750249 is an apocalyptic number.

It is an amenable number.

52750249 is a deficient number, since it is larger than the sum of its proper divisors (688759).

52750249 is an equidigital number, since it uses as much as digits as its factorization.

52750249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 52750249 is about 7262.9366650137. The cubic root of 52750249 is about 375.0376234844.

The spelling of 52750249 in words is "fifty-two million, seven hundred fifty thousand, two hundred forty-nine".