50954972789 has 4 divisors (see below), whose sum is σ = 58234254624. Its totient is φ = 43675690956.

The previous prime is 50954972773. The next prime is 50954972821. The reversal of 50954972789 is 98727945905.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50954972789 - 2⁴ = 50954972773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50954974789) 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, 3639640907 + ... + 3639640920.

It is an arithmetic number, because the mean of its divisors is an integer number (14558563656).

Almost surely, 2^50954972789 is an apocalyptic number.

It is an amenable number.

50954972789 is a deficient number, since it is larger than the sum of its proper divisors (7279281835).

50954972789 is an equidigital number, since it uses as much as digits as its factorization.

50954972789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7279281834.

The product of its (nonzero) digits is 57153600, while the sum is 65.

The spelling of 50954972789 in words is "fifty billion, nine hundred fifty-four million, nine hundred seventy-two thousand, seven hundred eighty-nine".