50305305253 has 4 divisors (see below), whose sum is σ = 57491777440. Its totient is φ = 43118833068.

The previous prime is 50305305241. The next prime is 50305305299. The reversal of 50305305253 is 35250350305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50305305253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50305305653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3593236083 + ... + 3593236096.

It is an arithmetic number, because the mean of its divisors is an integer number (14372944360).

Almost surely, 2^50305305253 is an apocalyptic number.

It is an amenable number.

50305305253 is a deficient number, since it is larger than the sum of its proper divisors (7186472187).

50305305253 is an equidigital number, since it uses as much as digits as its factorization.

50305305253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7186472186.

The product of its (nonzero) digits is 33750, while the sum is 31.

Adding to 50305305253 its reverse (35250350305), we get a palindrome (85555655558).

The spelling of 50305305253 in words is "fifty billion, three hundred five million, three hundred five thousand, two hundred fifty-three".