50218501 has 4 divisors (see below), whose sum is σ = 52861600. Its totient is φ = 47575404.

The previous prime is 50218477. The next prime is 50218537. The reversal of 50218501 is 10581205.

50218501 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50218501 - 2⁷ = 50218373 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 (50218001) 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 3 ways as a sum of consecutive naturals, for example, 1321521 + ... + 1321558.

It is an arithmetic number, because the mean of its divisors is an integer number (13215400).

Almost surely, 2^50218501 is an apocalyptic number.

It is an amenable number.

50218501 is a deficient number, since it is larger than the sum of its proper divisors (2643099).

50218501 is a wasteful number, since it uses less digits than its factorization.

50218501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643098.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 50218501 is about 7086.5013229379. The cubic root of 50218501 is about 368.9390130871.

Adding to 50218501 its reverse (10581205), we get a palindrome (60799706).

The spelling of 50218501 in words is "fifty million, two hundred eighteen thousand, five hundred one".