54640320862065 has 8 divisors (see below), whose sum is σ = 87424513379328. Its totient is φ = 29141504459760.

The previous prime is 54640320862033. The next prime is 54640320862067. The reversal of 54640320862065 is 56026802304645.

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

It is not a de Polignac number, because 54640320862065 - 2⁵ = 54640320862033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54640320861999 and 54640320862017.

It is not an unprimeable number, because it can be changed into a prime (54640320862067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1821344028721 + ... + 1821344028750.

It is an arithmetic number, because the mean of its divisors is an integer number (10928064172416).

Almost surely, 2^{54640320862065} is an apocalyptic number.

It is an amenable number.

54640320862065 is a deficient number, since it is larger than the sum of its proper divisors (32784192517263).

54640320862065 is a wasteful number, since it uses less digits than its factorization.

54640320862065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642688057479.

The product of its (nonzero) digits is 8294400, while the sum is 51.

The spelling of 54640320862065 in words is "fifty-four trillion, six hundred forty billion, three hundred twenty million, eight hundred sixty-two thousand, sixty-five".