55050131532 has 96 divisors (see below), whose sum is σ = 142291860480. Its totient is φ = 16425377280.

The previous prime is 55050131519. The next prime is 55050131537. The reversal of 55050131532 is 23513105055.

It is a self number, because there is not a number n which added to its sum of digits gives 55050131532.

It is not an unprimeable number, because it can be changed into a prime (55050131537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3882568 + ... + 3896720.

It is an arithmetic number, because the mean of its divisors is an integer number (1482206880).

Almost surely, 2^55050131532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55050131532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71145930240).

55050131532 is an abundant number, since it is smaller than the sum of its proper divisors (87241728948).

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

55050131532 is a wasteful number, since it uses less digits than its factorization.

55050131532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14623 (or 14621 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

Adding to 55050131532 its reverse (23513105055), we get a palindrome (78563236587).

The spelling of 55050131532 in words is "fifty-five billion, fifty million, one hundred thirty-one thousand, five hundred thirty-two".