50918445 has 24 divisors (see below), whose sum is σ = 88424856. Its totient is φ = 27105408.

The previous prime is 50918363. The next prime is 50918447. The reversal of 50918445 is 54481905.

It can be written as a sum of positive squares in 4 ways, for example, as 5517801 + 45400644 = 2349^2 + 6738^2 .

It is not a de Polignac number, because 50918445 - 2¹⁰ = 50917421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50918447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45027 + ... + 46143.

It is an arithmetic number, because the mean of its divisors is an integer number (3684369).

Almost surely, 2^50918445 is an apocalyptic number.

It is an amenable number.

50918445 is a deficient number, since it is larger than the sum of its proper divisors (37506411).

50918445 is a wasteful number, since it uses less digits than its factorization.

50918445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141 (or 2138 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 50918445 is about 7135.7161518659. The cubic root of 50918445 is about 370.6451976154.

The spelling of 50918445 in words is "fifty million, nine hundred eighteen thousand, four hundred forty-five".