50390777 has 4 divisors (see below), whose sum is σ = 52128420. Its totient is φ = 48653136.

The previous prime is 50390749. The next prime is 50390783. The reversal of 50390777 is 77709305.

It is a happy number.

50390777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32993536 + 17397241 = 5744^2 + 4171^2 .

It is a cyclic number.

It is not a de Polignac number, because 50390777 - 2⁶ = 50390713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50390777.

It is not an unprimeable number, because it can be changed into a prime (50390077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868778 + ... + 868835.

It is an arithmetic number, because the mean of its divisors is an integer number (13032105).

Almost surely, 2^50390777 is an apocalyptic number.

It is an amenable number.

50390777 is a deficient number, since it is larger than the sum of its proper divisors (1737643).

50390777 is a wasteful number, since it uses less digits than its factorization.

50390777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737642.

The product of its (nonzero) digits is 46305, while the sum is 38.

The square root of 50390777 is about 7098.6461385253. The cubic root of 50390777 is about 369.3604168437.

The spelling of 50390777 in words is "fifty million, three hundred ninety thousand, seven hundred seventy-seven".