55487848032 has 144 divisors (see below), whose sum is σ = 158964165360. Its totient is φ = 18359294976.

The previous prime is 55487847973. The next prime is 55487848051. The reversal of 55487848032 is 23084878455.

55487848032 is a `hidden beast` number, since 5 + 5 + 487 + 84 + 80 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55487848032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23782738 + ... + 23785070.

It is an arithmetic number, because the mean of its divisors is an integer number (1103917815).

Almost surely, 2^55487848032 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 55487848032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79482082680).

55487848032 is an abundant number, since it is smaller than the sum of its proper divisors (103476317328).

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

55487848032 is a wasteful number, since it uses less digits than its factorization.

55487848032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925 (or 2914 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 54.

The spelling of 55487848032 in words is "fifty-five billion, four hundred eighty-seven million, eight hundred forty-eight thousand, thirty-two".