54116985 has 32 divisors (see below), whose sum is σ = 93800448. Its totient is φ = 26484480.

The previous prime is 54116939. The next prime is 54116989. The reversal of 54116985 is 58961145.

It is not a de Polignac number, because 54116985 - 2¹⁰ = 54115961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54116989) 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, 36519 + ... + 37971.

It is an arithmetic number, because the mean of its divisors is an integer number (2931264).

Almost surely, 2^54116985 is an apocalyptic number.

It is an amenable number.

54116985 is a deficient number, since it is larger than the sum of its proper divisors (39683463).

54116985 is a wasteful number, since it uses less digits than its factorization.

54116985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665.

The product of its digits is 43200, while the sum is 39.

The square root of 54116985 is about 7356.4247430392. The cubic root of 54116985 is about 378.2490659979.

The spelling of 54116985 in words is "fifty-four million, one hundred sixteen thousand, nine hundred eighty-five".