55136255132 has 48 divisors (see below), whose sum is σ = 115242462720. Its totient is φ = 22567968192.

The previous prime is 55136255123. The next prime is 55136255143. The reversal of 55136255132 is 23155263155.

55136255132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359438 + ... + 489354.

It is an arithmetic number, because the mean of its divisors is an integer number (2400884640).

Almost surely, 2^55136255132 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 55136255132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57621231360).

55136255132 is an abundant number, since it is smaller than the sum of its proper divisors (60106207588).

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

55136255132 is a wasteful number, since it uses less digits than its factorization.

55136255132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130610 (or 130608 counting only the distinct ones).

The product of its digits is 135000, while the sum is 38.

The spelling of 55136255132 in words is "fifty-five billion, one hundred thirty-six million, two hundred fifty-five thousand, one hundred thirty-two".