50646739 has 16 divisors (see below), whose sum is σ = 59925600. Its totient is φ = 42197760.

The previous prime is 50646737. The next prime is 50646749. The reversal of 50646739 is 93764605.

50646739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50646739 - 2¹ = 50646737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50646737) 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 15 ways as a sum of consecutive naturals, for example, 20119 + ... + 22495.

It is an arithmetic number, because the mean of its divisors is an integer number (3745350).

Almost surely, 2^50646739 is an apocalyptic number.

50646739 is a deficient number, since it is larger than the sum of its proper divisors (9278861).

50646739 is a wasteful number, since it uses less digits than its factorization.

50646739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 50646739 is about 7116.6522326161. The cubic root of 50646739 is about 369.9847546677.

The spelling of 50646739 in words is "fifty million, six hundred forty-six thousand, seven hundred thirty-nine".