54189553121659 has 4 divisors (see below), whose sum is σ = 54298149421000. Its totient is φ = 54080956822320.

The previous prime is 54189553121647. The next prime is 54189553121677. The reversal of 54189553121659 is 95612135598145.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54189553121659 - 2⁹ = 54189553121147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54189553121659.

It is not an unprimeable number, because it can be changed into a prime (54189553121159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54298148922 + ... + 54298149919.

It is an arithmetic number, because the mean of its divisors is an integer number (13574537355250).

Almost surely, 2^{54189553121659} is an apocalyptic number.

54189553121659 is a deficient number, since it is larger than the sum of its proper divisors (108596299341).

54189553121659 is a wasteful number, since it uses less digits than its factorization.

54189553121659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108596299340.

The product of its digits is 58320000, while the sum is 64.

The spelling of 54189553121659 in words is "fifty-four trillion, one hundred eighty-nine billion, five hundred fifty-three million, one hundred twenty-one thousand, six hundred fifty-nine".