50636145 has 32 divisors (see below), whose sum is σ = 93477888. Its totient is φ = 22926528.

The previous prime is 50636143. The next prime is 50636153. The reversal of 50636145 is 54163605.

It is not a de Polignac number, because 50636145 - 2¹ = 50636143 is a prime.

It is a super-2 number, since 2×50636145² = 5128038360922050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50636141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8982 + ... + 13488.

It is an arithmetic number, because the mean of its divisors is an integer number (2921184).

Almost surely, 2^50636145 is an apocalyptic number.

It is an amenable number.

50636145 is a deficient number, since it is larger than the sum of its proper divisors (42841743).

50636145 is a wasteful number, since it uses less digits than its factorization.

50636145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4629.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 50636145 is about 7115.9078830463. The cubic root of 50636145 is about 369.9589557588.

The spelling of 50636145 in words is "fifty million, six hundred thirty-six thousand, one hundred forty-five".