55447701120 has 1152 divisors, whose sum is σ = 238905313920. Its totient is φ = 12033515520.

The previous prime is 55447701091. The next prime is 55447701157. The reversal of 55447701120 is 2110774455.

55447701120 is a `hidden beast` number, since 554 + 4 + 7 + 70 + 11 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1046183014 + ... + 1046183066.

It is an arithmetic number, because the mean of its divisors is an integer number (207383085).

Almost surely, 2^55447701120 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 55447701120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119452656960).

55447701120 is an abundant number, since it is smaller than the sum of its proper divisors (183457612800).

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

55447701120 is an equidigital number, since it uses as much as digits as its factorization.

55447701120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The spelling of 55447701120 in words is "fifty-five billion, four hundred forty-seven million, seven hundred one thousand, one hundred twenty".