52750121 has 12 divisors (see below), whose sum is σ = 55245312. Its totient is φ = 50344056.

The previous prime is 52750091. The next prime is 52750129. The reversal of 52750121 is 12105725.

It is a happy number.

52750121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52750121 - 2¹⁸ = 52487977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52750129) 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 11 ways as a sum of consecutive naturals, for example, 86600 + ... + 87206.

It is an arithmetic number, because the mean of its divisors is an integer number (4603776).

Almost surely, 2^52750121 is an apocalyptic number.

It is an amenable number.

52750121 is a deficient number, since it is larger than the sum of its proper divisors (2495191).

52750121 is an equidigital number, since it uses as much as digits as its factorization.

52750121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 52750121 is about 7262.9278531457. The cubic root of 52750121 is about 375.0373201376.

Adding to 52750121 its reverse (12105725), we get a palindrome (64855846).

The spelling of 52750121 in words is "fifty-two million, seven hundred fifty thousand, one hundred twenty-one".