54385664085 has 16 divisors (see below), whose sum is σ = 96685625280. Its totient is φ = 29005687440.

The previous prime is 54385664077. The next prime is 54385664089. The reversal of 54385664085 is 58046658345.

54385664085 is a `hidden beast` number, since 5 + 4 + 38 + 566 + 40 + 8 + 5 = 666.

It is not a de Polignac number, because 54385664085 - 2³ = 54385664077 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54385664089) 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, 201428251 + ... + 201428520.

It is an arithmetic number, because the mean of its divisors is an integer number (6042851580).

Almost surely, 2^54385664085 is an apocalyptic number.

It is an amenable number.

54385664085 is a deficient number, since it is larger than the sum of its proper divisors (42299961195).

54385664085 is a wasteful number, since it uses less digits than its factorization.

54385664085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402856785 (or 402856779 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 54.

The spelling of 54385664085 in words is "fifty-four billion, three hundred eighty-five million, six hundred sixty-four thousand, eighty-five".