50376664645 has 4 divisors (see below), whose sum is σ = 60451997580. Its totient is φ = 40301331712.

The previous prime is 50376664633. The next prime is 50376664651. The reversal of 50376664645 is 54646667305.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23420935521 + 26955729124 = 153039^2 + 164182^2 .

It is a cyclic number.

It is not a de Polignac number, because 50376664645 - 2⁷ = 50376664517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50376664592 and 50376664601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5037666460 + ... + 5037666469.

It is an arithmetic number, because the mean of its divisors is an integer number (15112999395).

Almost surely, 2^50376664645 is an apocalyptic number.

It is an amenable number.

50376664645 is a deficient number, since it is larger than the sum of its proper divisors (10075332935).

50376664645 is a wasteful number, since it uses less digits than its factorization.

50376664645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10075332934.

The product of its (nonzero) digits is 10886400, while the sum is 52.

The spelling of 50376664645 in words is "fifty billion, three hundred seventy-six million, six hundred sixty-four thousand, six hundred forty-five".