50253121 has 4 divisors (see below), whose sum is σ = 50311044. Its totient is φ = 50195200.

The previous prime is 50253109. The next prime is 50253163. The reversal of 50253121 is 12135205.

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 13771521 + 36481600 = 3711^2 + 6040^2 .

It is a cyclic number.

It is not a de Polignac number, because 50253121 - 2²¹ = 48155969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50253101) 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, 27640 + ... + 29401.

It is an arithmetic number, because the mean of its divisors is an integer number (12577761).

Almost surely, 2^50253121 is an apocalyptic number.

It is an amenable number.

50253121 is a deficient number, since it is larger than the sum of its proper divisors (57923).

50253121 is an equidigital number, since it uses as much as digits as its factorization.

50253121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57922.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 50253121 is about 7088.9435743276. The cubic root of 50253121 is about 369.0237742435.

Adding to 50253121 its reverse (12135205), we get a palindrome (62388326).

The spelling of 50253121 in words is "fifty million, two hundred fifty-three thousand, one hundred twenty-one".