50777457 has 8 divisors (see below), whose sum is σ = 67994784. Its totient is φ = 33705888.

The previous prime is 50777417. The next prime is 50777459. The reversal of 50777457 is 75477705.

It is a happy number.

50777457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50777457 - 2¹¹ = 50775409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50777459) 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 7 ways as a sum of consecutive naturals, for example, 35623 + ... + 37020.

It is an arithmetic number, because the mean of its divisors is an integer number (8499348).

Almost surely, 2^50777457 is an apocalyptic number.

It is an amenable number.

50777457 is a deficient number, since it is larger than the sum of its proper divisors (17217327).

50777457 is a wasteful number, since it uses less digits than its factorization.

50777457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72879.

The product of its (nonzero) digits is 240100, while the sum is 42.

The square root of 50777457 is about 7125.8302674145. The cubic root of 50777457 is about 370.3027884259.

The spelling of 50777457 in words is "fifty million, seven hundred seventy-seven thousand, four hundred fifty-seven".