50649265907 has 4 divisors (see below), whose sum is σ = 50649794376. Its totient is φ = 50648737440.

The previous prime is 50649265867. The next prime is 50649265913. The reversal of 50649265907 is 70956294605.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50649265907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50649261907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75569 + ... + 327122.

It is an arithmetic number, because the mean of its divisors is an integer number (12662448594).

Almost surely, 2^50649265907 is an apocalyptic number.

50649265907 is a deficient number, since it is larger than the sum of its proper divisors (528469).

50649265907 is a wasteful number, since it uses less digits than its factorization.

50649265907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528468.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 50649265907 in words is "fifty billion, six hundred forty-nine million, two hundred sixty-five thousand, nine hundred seven".