50303025561 has 16 divisors (see below), whose sum is σ = 67929824000. Its totient is φ = 33105915648.

The previous prime is 50303025511. The next prime is 50303025571. The reversal of 50303025561 is 16552030305.

50303025561 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 50303025561 - 2⁹ = 50303025049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50303025511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2275815 + ... + 2297811.

It is an arithmetic number, because the mean of its divisors is an integer number (4245614000).

Almost surely, 2^50303025561 is an apocalyptic number.

It is an amenable number.

50303025561 is a deficient number, since it is larger than the sum of its proper divisors (17626798439).

50303025561 is a wasteful number, since it uses less digits than its factorization.

50303025561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31728.

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 50303025561 its reverse (16552030305), we get a palindrome (66855055866).

The spelling of 50303025561 in words is "fifty billion, three hundred three million, twenty-five thousand, five hundred sixty-one".