55171751136 has 48 divisors (see below), whose sum is σ = 144848695824. Its totient is φ = 18387682304.

The previous prime is 55171751123. The next prime is 55171751153. The reversal of 55171751136 is 63115717155.

55171751136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616366 + ... + 700178.

It is an arithmetic number, because the mean of its divisors is an integer number (3017681163).

Almost surely, 2^55171751136 is an apocalyptic number.

It is an amenable number.

55171751136 is an abundant number, since it is smaller than the sum of its proper divisors (89676944688).

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

55171751136 is a wasteful number, since it uses less digits than its factorization.

55171751136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90683 (or 90675 counting only the distinct ones).

The product of its digits is 110250, while the sum is 42.

The spelling of 55171751136 in words is "fifty-five billion, one hundred seventy-one million, seven hundred fifty-one thousand, one hundred thirty-six".