50820853965 has 64 divisors (see below), whose sum is σ = 94912512000. Its totient is φ = 23211220032.

The previous prime is 50820853957. The next prime is 50820853969. The reversal of 50820853965 is 56935802805.

50820853965 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 50820853965 - 2³ = 50820853957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50820853969) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6576594 + ... + 6584316.

It is an arithmetic number, because the mean of its divisors is an integer number (1483008000).

Almost surely, 2^50820853965 is an apocalyptic number.

It is an amenable number.

50820853965 is a deficient number, since it is larger than the sum of its proper divisors (44091658035).

50820853965 is a wasteful number, since it uses less digits than its factorization.

50820853965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9031 (or 9017 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 51.

The spelling of 50820853965 in words is "fifty billion, eight hundred twenty million, eight hundred fifty-three thousand, nine hundred sixty-five".