50689751 has 4 divisors (see below), whose sum is σ = 57931152. Its totient is φ = 43448352.

The previous prime is 50689729. The next prime is 50689753. The reversal of 50689751 is 15798605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15798605 = 5 ⋅3159721.

It is a cyclic number.

It is not a de Polignac number, because 50689751 - 2¹⁰ = 50688727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50689699 and 50689708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50689753) 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, 3620690 + ... + 3620703.

It is an arithmetic number, because the mean of its divisors is an integer number (14482788).

Almost surely, 2^50689751 is an apocalyptic number.

50689751 is a deficient number, since it is larger than the sum of its proper divisors (7241401).

50689751 is an equidigital number, since it uses as much as digits as its factorization.

50689751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7241400.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 50689751 is about 7119.6735177956. The cubic root of 50689751 is about 370.0894621754.

The spelling of 50689751 in words is "fifty million, six hundred eighty-nine thousand, seven hundred fifty-one".