55385385016 has 32 divisors (see below), whose sum is σ = 117721976400. Its totient is φ = 24217090560.

The previous prime is 55385384917. The next prime is 55385385019. The reversal of 55385385016 is 61058358355.

55385385016 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 not an unprimeable number, because it can be changed into a prime (55385385019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14012545 + ... + 14016496.

Almost surely, 2^55385385016 is an apocalyptic number.

It is an amenable number.

55385385016 is an abundant number, since it is smaller than the sum of its proper divisors (62336591384).

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

55385385016 is a wasteful number, since it uses less digits than its factorization.

55385385016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28029079 (or 28029075 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 55385385016 in words is "fifty-five billion, three hundred eighty-five million, three hundred eighty-five thousand, sixteen".