50756979997 has 2 divisors, whose sum is σ = 50756979998. Its totient is φ = 50756979996.

The previous prime is 50756979989. The next prime is 50756980013. The reversal of 50756979997 is 79997965705.

50756979997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49720526361 + 1036453636 = 222981^2 + 32194^2 .

It is a cyclic number.

It is not a de Polignac number, because 50756979997 - 2³ = 50756979989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50756979907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25378489998 + 25378489999.

It is an arithmetic number, because the mean of its divisors is an integer number (25378489999).

Almost surely, 2^50756979997 is an apocalyptic number.

It is an amenable number.

50756979997 is a deficient number, since it is larger than the sum of its proper divisors (1).

50756979997 is an equidigital number, since it uses as much as digits as its factorization.

50756979997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 337563450, while the sum is 73.

The spelling of 50756979997 in words is "fifty billion, seven hundred fifty-six million, nine hundred seventy-nine thousand, nine hundred ninety-seven".