50225313135531 has 16 divisors (see below), whose sum is σ = 74638236240000. Its totient is φ = 29855294494848.

The previous prime is 50225313135509. The next prime is 50225313135559. The reversal of 50225313135531 is 13553131352205.

It is not a de Polignac number, because 50225313135531 - 2²³ = 50225304746923 is a prime.

It is a super-3 number, since 3×50225313135531³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 50225313135531.

It is not an unprimeable number, because it can be changed into a prime (50225313135131) 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, 25916053281 + ... + 25916055218.

It is an arithmetic number, because the mean of its divisors is an integer number (4664889765000).

Almost surely, 2^{50225313135531} is an apocalyptic number.

50225313135531 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

50225313135531 is a deficient number, since it is larger than the sum of its proper divisors (24412923104469).

50225313135531 is a wasteful number, since it uses less digits than its factorization.

50225313135531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51832108538.

The product of its (nonzero) digits is 202500, while the sum is 39.

Adding to 50225313135531 its reverse (13553131352205), we get a palindrome (63778444487736).

The spelling of 50225313135531 in words is "fifty trillion, two hundred twenty-five billion, three hundred thirteen million, one hundred thirty-five thousand, five hundred thirty-one".