50454452645 has 8 divisors (see below), whose sum is σ = 60551298456. Its totient is φ = 40359591936.

The previous prime is 50454452641. The next prime is 50454452651. The reversal of 50454452645 is 54625445405.

It can be written as a sum of positive squares in 4 ways, for example, as 29953729 + 50424498916 = 5473^2 + 224554^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50454452645 - 2² = 50454452641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50454452596 and 50454452605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50454452641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439772 + ... + 542501.

It is an arithmetic number, because the mean of its divisors is an integer number (7568912307).

Almost surely, 2^50454452645 is an apocalyptic number.

It is an amenable number.

50454452645 is a deficient number, since it is larger than the sum of its proper divisors (10096845811).

50454452645 is a wasteful number, since it uses less digits than its factorization.

50454452645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992551.

The product of its (nonzero) digits is 1920000, while the sum is 44.

The spelling of 50454452645 in words is "fifty billion, four hundred fifty-four million, four hundred fifty-two thousand, six hundred forty-five".