50750772697 has 4 divisors (see below), whose sum is σ = 51708334500. Its totient is φ = 49793210896.

The previous prime is 50750772691. The next prime is 50750772701. The reversal of 50750772697 is 79627705705.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79627705705 = 5 ⋅15925541141.

It can be written as a sum of positive squares in 2 ways, for example, as 38441092096 + 12309680601 = 196064^2 + 110949^2 .

It is a cyclic number.

It is not a de Polignac number, because 50750772697 - 2¹⁵ = 50750739929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50750772691) 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, 478780822 + ... + 478780927.

It is an arithmetic number, because the mean of its divisors is an integer number (12927083625).

Almost surely, 2^50750772697 is an apocalyptic number.

It is an amenable number.

50750772697 is a deficient number, since it is larger than the sum of its proper divisors (957561803).

50750772697 is an equidigital number, since it uses as much as digits as its factorization.

50750772697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957561802.

The product of its (nonzero) digits is 6482700, while the sum is 55.

The spelling of 50750772697 in words is "fifty billion, seven hundred fifty million, seven hundred seventy-two thousand, six hundred ninety-seven".