50140521 has 12 divisors (see below), whose sum is σ = 73103472. Its totient is φ = 33113976.

The previous prime is 50140477. The next prime is 50140543. The reversal of 50140521 is 12504105.

50140521 is a `hidden beast` number, since 5 + 0 + 140 + 521 = 666.

It is not a de Polignac number, because 50140521 - 2⁶ = 50140457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50140494 and 50140503.

It is not an unprimeable number, because it can be changed into a prime (50140121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25071 + ... + 26996.

It is an arithmetic number, because the mean of its divisors is an integer number (6091956).

Almost surely, 2^50140521 is an apocalyptic number.

It is an amenable number.

50140521 is a deficient number, since it is larger than the sum of its proper divisors (22962951).

50140521 is a wasteful number, since it uses less digits than its factorization.

50140521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52180 (or 52177 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 50140521 is about 7080.9971755396. The cubic root of 50140521 is about 368.7479495816.

Adding to 50140521 its reverse (12504105), we get a palindrome (62644626).

The spelling of 50140521 in words is "fifty million, one hundred forty thousand, five hundred twenty-one".