50642755 has 4 divisors (see below), whose sum is σ = 60771312. Its totient is φ = 40514200.

The previous prime is 50642741. The next prime is 50642773. The reversal of 50642755 is 55724605.

50642755 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 is a de Polignac number, because none of the positive numbers 2^k-50642755 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 50642755.

It is an unprimeable number.

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, 5064271 + ... + 5064280.

It is an arithmetic number, because the mean of its divisors is an integer number (15192828).

Almost surely, 2^50642755 is an apocalyptic number.

50642755 is a deficient number, since it is larger than the sum of its proper divisors (10128557).

50642755 is a wasteful number, since it uses less digits than its factorization.

50642755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10128556.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 50642755 is about 7116.3723202205. The cubic root of 50642755 is about 369.9750531025.

The spelling of 50642755 in words is "fifty million, six hundred forty-two thousand, seven hundred fifty-five".