54105601603986 has 64 divisors (see below), whose sum is σ = 120426750259200. Its totient is φ = 18006391445328.

The previous prime is 54105601603979. The next prime is 54105601604039. The reversal of 54105601603986 is 68930610650145.

54105601603986 is a `hidden beast` number, since 5 + 4 + 10 + 560 + 1 + 60 + 3 + 9 + 8 + 6 = 666.

54105601603986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×54105601603986² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1122988045 + ... + 1123036223.

It is an arithmetic number, because the mean of its divisors is an integer number (1881667972800).

Almost surely, 2^{54105601603986} is an apocalyptic number.

54105601603986 is an abundant number, since it is smaller than the sum of its proper divisors (66321148655214).

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

54105601603986 is a wasteful number, since it uses less digits than its factorization.

54105601603986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80980 (or 80974 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 54105601603986 in words is "fifty-four trillion, one hundred five billion, six hundred one million, six hundred three thousand, nine hundred eighty-six".