54189553121660 has 72 divisors (see below), whose sum is σ = 127992746012208. Its totient is φ = 19247029401600.

The previous prime is 54189553121647. The next prime is 54189553121677. The reversal of 54189553121660 is 6612135598145.

54189553121660 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 2×54189553121660² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54189553121596 and 54189553121605.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 260272421 + ... + 260480540.

Almost surely, 2^{54189553121660} is an apocalyptic number.

It is an amenable number.

54189553121660 is an abundant number, since it is smaller than the sum of its proper divisors (73803192890548).

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

54189553121660 is a wasteful number, since it uses less digits than its factorization.

54189553121660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520753035 (or 520753022 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 56.

The spelling of 54189553121660 in words is "fifty-four trillion, one hundred eighty-nine billion, five hundred fifty-three million, one hundred twenty-one thousand, six hundred sixty".