50908445641 has 3 divisors (see below), whose sum is σ = 50908671271. Its totient is φ = 50908220012.

The previous prime is 50908445629. The next prime is 50908445713. The reversal of 50908445641 is 14654480905.

It is a happy number.

The square root of 50908445641 is 225629.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14654480905 = 5 ⋅2930896181.

It can be written as a sum of positive squares in only one way, i.e., 50904835641 + 3610000 = 225621^2 + 1900^2 .

It is not a de Polignac number, because 50908445641 - 2⁷ = 50908445513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50908445591 and 50908445600.

It is not an unprimeable number, because it can be changed into a prime (50908445611) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 112815 + ... + 338443.

Almost surely, 2^50908445641 is an apocalyptic number.

50908445641 is the 225629-th square number.

50908445641 is the 112815-th centered octagonal number.

It is an amenable number.

50908445641 is a deficient number, since it is larger than the sum of its proper divisors (225630).

50908445641 is an frugal number, since it uses more digits than its factorization.

50908445641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451258 (or 225629 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 50908445641 in words is "fifty billion, nine hundred eight million, four hundred forty-five thousand, six hundred forty-one".