54517612961 has 16 divisors (see below), whose sum is σ = 63502110720. Its totient is φ = 45840453120.

The previous prime is 54517612943. The next prime is 54517613071. The reversal of 54517612961 is 16921671545.

It is not a de Polignac number, because 54517612961 - 2¹⁴ = 54517596577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54517612921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265400 + ... + 423641.

It is an arithmetic number, because the mean of its divisors is an integer number (3968881920).

Almost surely, 2^54517612961 is an apocalyptic number.

It is an amenable number.

54517612961 is a deficient number, since it is larger than the sum of its proper divisors (8984497759).

54517612961 is a wasteful number, since it uses less digits than its factorization.

54517612961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689264.

The product of its digits is 453600, while the sum is 47.

The spelling of 54517612961 in words is "fifty-four billion, five hundred seventeen million, six hundred twelve thousand, nine hundred sixty-one".