50973101921 has 8 divisors (see below), whose sum is σ = 58318927104. Its totient is φ = 43643265120.

The previous prime is 50973101813. The next prime is 50973101947. The reversal of 50973101921 is 12910137905.

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

It is a de Polignac number, because none of the positive numbers 2^k-50973101921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50973101951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3990260 + ... + 4003013.

It is an arithmetic number, because the mean of its divisors is an integer number (7289865888).

Almost surely, 2^50973101921 is an apocalyptic number.

It is an amenable number.

50973101921 is a deficient number, since it is larger than the sum of its proper divisors (7345825183).

50973101921 is an equidigital number, since it uses as much as digits as its factorization.

50973101921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7994191.

The product of its (nonzero) digits is 17010, while the sum is 38.

The spelling of 50973101921 in words is "fifty billion, nine hundred seventy-three million, one hundred one thousand, nine hundred twenty-one".