55135401132 has 72 divisors (see below), whose sum is σ = 149689197504. Its totient is φ = 15749186208.

The previous prime is 55135401077. The next prime is 55135401151. The reversal of 55135401132 is 23110453155.

It is a self number, because there is not a number n which added to its sum of digits gives 55135401132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3229603 + ... + 3246629.

It is an arithmetic number, because the mean of its divisors is an integer number (2079016632).

Almost surely, 2^55135401132 is an apocalyptic number.

It is an amenable number.

55135401132 is an abundant number, since it is smaller than the sum of its proper divisors (94553796372).

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

55135401132 is a wasteful number, since it uses less digits than its factorization.

55135401132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22555 (or 22546 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 55135401132 its reverse (23110453155), we get a palindrome (78245854287).

The spelling of 55135401132 in words is "fifty-five billion, one hundred thirty-five million, four hundred one thousand, one hundred thirty-two".