50144415531 has 24 divisors (see below), whose sum is σ = 77804548560. Its totient is φ = 28643069952.

The previous prime is 50144415527. The next prime is 50144415553. The reversal of 50144415531 is 13551444105.

It is not a de Polignac number, because 50144415531 - 2² = 50144415527 is a prime.

It is a super-2 number, since 2×50144415531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50144415492 and 50144415501.

It is not an unprimeable number, because it can be changed into a prime (50144415331) 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, 331855 + ... + 458711.

It is an arithmetic number, because the mean of its divisors is an integer number (3241856190).

Almost surely, 2^50144415531 is an apocalyptic number.

50144415531 is a deficient number, since it is larger than the sum of its proper divisors (27660133029).

50144415531 is a wasteful number, since it uses less digits than its factorization.

50144415531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129563 (or 129556 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 50144415531 its reverse (13551444105), we get a palindrome (63695859636).

The spelling of 50144415531 in words is "fifty billion, one hundred forty-four million, four hundred fifteen thousand, five hundred thirty-one".