50011540 has 24 divisors (see below), whose sum is σ = 105958440. Its totient is φ = 19826688.

The previous prime is 50011529. The next prime is 50011543. The reversal of 50011540 is 4511005.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4016016 + 45995524 = 2004^2 + 6782^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50011543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8805 + ... + 13324.

It is an arithmetic number, because the mean of its divisors is an integer number (4414935).

Almost surely, 2^50011540 is an apocalyptic number.

It is an amenable number.

50011540 is an abundant number, since it is smaller than the sum of its proper divisors (55946900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50011540 is a wasteful number, since it uses less digits than its factorization.

50011540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22251 (or 22249 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 50011540 is about 7071.8837660131. The cubic root of 50011540 is about 368.4314901662.

Adding to 50011540 its reverse (4511005), we get a palindrome (54522545).

The spelling of 50011540 in words is "fifty million, eleven thousand, five hundred forty".