54005516011565 has 8 divisors (see below), whose sum is σ = 65035617870048. Its totient is φ = 43051747038480.

The previous prime is 54005516011549. The next prime is 54005516011571. The reversal of 54005516011565 is 56511061550045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54005516011565 - 2⁴ = 54005516011549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19083219791 + ... + 19083222620.

It is an arithmetic number, because the mean of its divisors is an integer number (8129452233756).

Almost surely, 2^{54005516011565} is an apocalyptic number.

It is an amenable number.

54005516011565 is a deficient number, since it is larger than the sum of its proper divisors (11030101858483).

54005516011565 is a wasteful number, since it uses less digits than its factorization.

54005516011565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38166442699.

The product of its (nonzero) digits is 450000, while the sum is 44.

The spelling of 54005516011565 in words is "fifty-four trillion, five billion, five hundred sixteen million, eleven thousand, five hundred sixty-five".