50215541 has 4 divisors (see below), whose sum is σ = 50229900. Its totient is φ = 50201184.

The previous prime is 50215511. The next prime is 50215553. The reversal of 50215541 is 14551205.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14551205 = 5 ⋅2910241.

It can be written as a sum of positive squares in 2 ways, for example, as 27615025 + 22600516 = 5255^2 + 4754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50215541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50215511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1865 + ... + 10193.

It is an arithmetic number, because the mean of its divisors is an integer number (12557475).

Almost surely, 2^50215541 is an apocalyptic number.

It is an amenable number.

50215541 is a deficient number, since it is larger than the sum of its proper divisors (14359).

50215541 is an equidigital number, since it uses as much as digits as its factorization.

50215541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14358.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 50215541 is about 7086.2924720900. The cubic root of 50215541 is about 368.9317642252.

Adding to 50215541 its reverse (14551205), we get a palindrome (64766746).

The spelling of 50215541 in words is "fifty million, two hundred fifteen thousand, five hundred forty-one".