50305103553 has 4 divisors (see below), whose sum is σ = 67073471408. Its totient is φ = 33536735700.

The previous prime is 50305103549. The next prime is 50305103557. The reversal of 50305103553 is 35530150305.

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 an interprime number because it is at equal distance from previous prime (50305103549) and next prime (50305103557).

It is not a de Polignac number, because 50305103553 - 2² = 50305103549 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 50305103553.

It is not an unprimeable number, because it can be changed into a prime (50305103557) 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, 8384183923 + ... + 8384183928.

It is an arithmetic number, because the mean of its divisors is an integer number (16768367852).

Almost surely, 2^50305103553 is an apocalyptic number.

It is an amenable number.

50305103553 is a deficient number, since it is larger than the sum of its proper divisors (16768367855).

50305103553 is a wasteful number, since it uses less digits than its factorization.

50305103553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16768367854.

The product of its (nonzero) digits is 16875, while the sum is 30.

Adding to 50305103553 its reverse (35530150305), we get a palindrome (85835253858).

The spelling of 50305103553 in words is "fifty billion, three hundred five million, one hundred three thousand, five hundred fifty-three".