54281585599 has 16 divisors (see below), whose sum is σ = 58571385120. Its totient is φ = 50118082560.

The previous prime is 54281585593. The next prime is 54281585629. The reversal of 54281585599 is 99558518245.

It is a cyclic number.

It is not a de Polignac number, because 54281585599 - 2⁹ = 54281585087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54281585593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323967 + ... + 462079.

It is an arithmetic number, because the mean of its divisors is an integer number (3660711570).

Almost surely, 2^54281585599 is an apocalyptic number.

54281585599 is a deficient number, since it is larger than the sum of its proper divisors (4289799521).

54281585599 is a wasteful number, since it uses less digits than its factorization.

54281585599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138570.

The product of its digits is 25920000, while the sum is 61.

The spelling of 54281585599 in words is "fifty-four billion, two hundred eighty-one million, five hundred eighty-five thousand, five hundred ninety-nine".