50490791 has 8 divisors (see below), whose sum is σ = 54429984. Its totient is φ = 46559520.

The previous prime is 50490763. The next prime is 50490793. The reversal of 50490791 is 19709405.

50490791 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50490791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50490793) 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, 23150 + ... + 25236.

It is an arithmetic number, because the mean of its divisors is an integer number (6803748).

Almost surely, 2^50490791 is an apocalyptic number.

50490791 is a deficient number, since it is larger than the sum of its proper divisors (3939193).

50490791 is a wasteful number, since it uses less digits than its factorization.

50490791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 50490791 is about 7105.6872292552. The cubic root of 50490791 is about 369.6046202603.

The spelling of 50490791 in words is "fifty million, four hundred ninety thousand, seven hundred ninety-one".