54863783556585 has 32 divisors (see below), whose sum is σ = 88473534336000. Its totient is φ = 29030935751616.

The previous prime is 54863783556541. The next prime is 54863783556587. The reversal of 54863783556585 is 58565538736845.

It is not a de Polignac number, because 54863783556585 - 2³¹ = 54861636072937 is a prime.

It is a super-2 number, since 2×54863783556585² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54863783556585.

It is not an unprimeable number, because it can be changed into a prime (54863783556587) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22093995 + ... + 24451424.

It is an arithmetic number, because the mean of its divisors is an integer number (2764797948000).

Almost surely, 2^{54863783556585} is an apocalyptic number.

It is an amenable number.

54863783556585 is a deficient number, since it is larger than the sum of its proper divisors (33609750779415).

54863783556585 is a wasteful number, since it uses less digits than its factorization.

54863783556585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46546045.

The product of its digits is 14515200000, while the sum is 78.

The spelling of 54863783556585 in words is "fifty-four trillion, eight hundred sixty-three billion, seven hundred eighty-three million, five hundred fifty-six thousand, five hundred eighty-five".