55135131132 has 48 divisors (see below), whose sum is σ = 130871865600. Its totient is φ = 18060977280.

The previous prime is 55135131131. The next prime is 55135131193. The reversal of 55135131132 is 23113153155.

It is a self number, because there is not a number n which added to its sum of digits gives 55135131132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55135131131) 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, 2508832 + ... + 2530712.

It is an arithmetic number, because the mean of its divisors is an integer number (2726497200).

Almost surely, 2^55135131132 is an apocalyptic number.

It is an amenable number.

55135131132 is an abundant number, since it is smaller than the sum of its proper divisors (75736734468).

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

55135131132 is a wasteful number, since it uses less digits than its factorization.

55135131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25506 (or 25504 counting only the distinct ones).

The product of its digits is 6750, while the sum is 30.

Adding to 55135131132 its reverse (23113153155), we get a palindrome (78248284287).

The spelling of 55135131132 in words is "fifty-five billion, one hundred thirty-five million, one hundred thirty-one thousand, one hundred thirty-two".