55618680283920 has 120 divisors (see below), whose sum is σ = 201154227060696. Its totient is φ = 13690752067584.

The previous prime is 55618680283897. The next prime is 55618680283921. The reversal of 55618680283920 is 2938208681655.

55618680283920 is a `hidden beast` number, since 5 + 5 + 618 + 6 + 8 + 0 + 2 + 8 + 3 + 9 + 2 + 0 = 666.

55618680283920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1220857045776 + 54397823238144 = 1104924^2 + 7375488^2 .

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

It is a super-2 number, since 2×55618680283920² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55618680283921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2971073989 + ... + 2971092708.

Almost surely, 2^{55618680283920} is an apocalyptic number.

It is an amenable number.

55618680283920 is an abundant number, since it is smaller than the sum of its proper divisors (145535546776776).

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

55618680283920 is a wasteful number, since it uses less digits than its factorization.

55618680283920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942166729 (or 5942166720 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 63.

The spelling of 55618680283920 in words is "fifty-five trillion, six hundred eighteen billion, six hundred eighty million, two hundred eighty-three thousand, nine hundred twenty".