50031411521 has 16 divisors (see below), whose sum is σ = 61816750464. Its totient is φ = 39431245824.

The previous prime is 50031411517. The next prime is 50031411559. The reversal of 50031411521 is 12511413005.

It is a cyclic number.

It is not a de Polignac number, because 50031411521 - 2² = 50031411517 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50031411511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1046255 + ... + 1093028.

It is an arithmetic number, because the mean of its divisors is an integer number (3863546904).

Almost surely, 2^50031411521 is an apocalyptic number.

It is an amenable number.

50031411521 is a deficient number, since it is larger than the sum of its proper divisors (11785338943).

50031411521 is a wasteful number, since it uses less digits than its factorization.

50031411521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139560.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 50031411521 its reverse (12511413005), we get a palindrome (62542824526).

The spelling of 50031411521 in words is "fifty billion, thirty-one million, four hundred eleven thousand, five hundred twenty-one".