55471398000 has 80 divisors (see below), whose sum is σ = 178839806496. Its totient is φ = 14792371200.

The previous prime is 55471397963. The next prime is 55471398013. The reversal of 55471398000 is 89317455.

55471398000 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 (80).

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, 4616617 + ... + 4628616.

Almost surely, 2^55471398000 is an apocalyptic number.

55471398000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55471398000 is an abundant number, since it is smaller than the sum of its proper divisors (123368408496).

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

55471398000 is a wasteful number, since it uses less digits than its factorization.

55471398000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9245259 (or 9245243 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 55471398000 in words is "fifty-five billion, four hundred seventy-one million, three hundred ninety-eight thousand".