55020545232 has 20 divisors (see below), whose sum is σ = 142136408640. Its totient is φ = 18340181728.

The previous prime is 55020545183. The next prime is 55020545243. The reversal of 55020545232 is 23254502055.

It is a junction number, because it is equal to n+sod(n) for n = 55020545193 and 55020545202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573130632 + ... + 573130727.

It is an arithmetic number, because the mean of its divisors is an integer number (7106820432).

Almost surely, 2^55020545232 is an apocalyptic number.

It is an amenable number.

55020545232 is an abundant number, since it is smaller than the sum of its proper divisors (87115863408).

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

55020545232 is a wasteful number, since it uses less digits than its factorization.

55020545232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146261370 (or 1146261364 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 33.

The spelling of 55020545232 in words is "fifty-five billion, twenty million, five hundred forty-five thousand, two hundred thirty-two".