55643604112080 has 120 divisors (see below), whose sum is σ = 187115330493000. Its totient is φ = 14818795868160.

The previous prime is 55643604112073. The next prime is 55643604112093. The reversal of 55643604112080 is 8021140634655.

55643604112080 is a `hidden beast` number, since 5 + 5 + 6 + 4 + 3 + 604 + 11 + 20 + 8 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 944784 + 55643603167296 = 972^2 + 7459464^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50229205 + ... + 51325044.

It is an arithmetic number, because the mean of its divisors is an integer number (1559294420775).

Almost surely, 2^{55643604112080} is an apocalyptic number.

It is an amenable number.

55643604112080 is an abundant number, since it is smaller than the sum of its proper divisors (131471726380920).

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

55643604112080 is a wasteful number, since it uses less digits than its factorization.

55643604112080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101555029 (or 101555020 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 55643604112080 in words is "fifty-five trillion, six hundred forty-three billion, six hundred four million, one hundred twelve thousand, eighty".