55885644496080 has 2560 divisors, whose sum is σ = 248390959104000. Its totient is φ = 11256920801280.

The previous prime is 55885644496069. The next prime is 55885644496091. The reversal of 55885644496080 is 8069444658855.

55885644496080 is a `hidden beast` number, since 5 + 5 + 8 + 8 + 5 + 6 + 4 + 4 + 4 + 9 + 608 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (55885644496069) and next prime (55885644496091).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 91167445854 + ... + 91167446466.

It is an arithmetic number, because the mean of its divisors is an integer number (97027718400).

Almost surely, 2^{55885644496080} 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 55885644496080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124195479552000).

55885644496080 is an abundant number, since it is smaller than the sum of its proper divisors (192505314607920).

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

55885644496080 is a wasteful number, since it uses less digits than its factorization.

55885644496080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 1327104000, while the sum is 72.

The spelling of 55885644496080 in words is "fifty-five trillion, eight hundred eighty-five billion, six hundred forty-four million, four hundred ninety-six thousand, eighty".