50747773 has 4 divisors (see below), whose sum is σ = 50878620. Its totient is φ = 50616928.

The previous prime is 50747717. The next prime is 50747779. The reversal of 50747773 is 37774705.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37774705 = 5 ⋅7554941.

It can be written as a sum of positive squares in 2 ways, for example, as 29615364 + 21132409 = 5442^2 + 4597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50747773 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50747779) 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, 64840 + ... + 65617.

It is an arithmetic number, because the mean of its divisors is an integer number (12719655).

Almost surely, 2^50747773 is an apocalyptic number.

It is an amenable number.

50747773 is a deficient number, since it is larger than the sum of its proper divisors (130847).

50747773 is a wasteful number, since it uses less digits than its factorization.

50747773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130846.

The product of its (nonzero) digits is 144060, while the sum is 40.

The square root of 50747773 is about 7123.7471179148. The cubic root of 50747773 is about 370.2306159090.

The spelling of 50747773 in words is "fifty million, seven hundred forty-seven thousand, seven hundred seventy-three".