50213511553 has 4 divisors (see below), whose sum is σ = 51064588080. Its totient is φ = 49362435028.

The previous prime is 50213511529. The next prime is 50213511559. The reversal of 50213511553 is 35511531205.

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-50213511553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50213511559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425538175 + ... + 425538292.

It is an arithmetic number, because the mean of its divisors is an integer number (12766147020).

Almost surely, 2^50213511553 is an apocalyptic number.

It is an amenable number.

50213511553 is a deficient number, since it is larger than the sum of its proper divisors (851076527).

50213511553 is an equidigital number, since it uses as much as digits as its factorization.

50213511553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851076526.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 50213511553 in words is "fifty billion, two hundred thirteen million, five hundred eleven thousand, five hundred fifty-three".