50780505 has 16 divisors (see below), whose sum is σ = 81970560. Its totient is φ = 26842368.

The previous prime is 50780501. The next prime is 50780507. The reversal of 50780505 is 50508705.

It is a happy number.

50780505 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 50780505 - 2² = 50780501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50780501) 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, 13285 + ... + 16674.

It is an arithmetic number, because the mean of its divisors is an integer number (5123160).

Almost surely, 2^50780505 is an apocalyptic number.

It is an amenable number.

50780505 is a deficient number, since it is larger than the sum of its proper divisors (31190055).

50780505 is a wasteful number, since it uses less digits than its factorization.

50780505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30080.

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 50780505 is about 7126.0441340199. The cubic root of 50780505 is about 370.3101976214.

The spelling of 50780505 in words is "fifty million, seven hundred eighty thousand, five hundred five".