54633985 has 16 divisors (see below), whose sum is σ = 75772800. Its totient is φ = 37040256.

The previous prime is 54633983. The next prime is 54634001. The reversal of 54633985 is 58933645.

It is a cyclic number.

It is not a de Polignac number, because 54633985 - 2¹ = 54633983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54633983) 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, 5655 + ... + 11884.

It is an arithmetic number, because the mean of its divisors is an integer number (4735800).

Almost surely, 2^54633985 is an apocalyptic number.

It is an amenable number.

54633985 is a deficient number, since it is larger than the sum of its proper divisors (21138815).

54633985 is a wasteful number, since it uses less digits than its factorization.

54633985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17640.

The product of its digits is 388800, while the sum is 43.

The square root of 54633985 is about 7391.4805688712. The cubic root of 54633985 is about 379.4497692224.

The spelling of 54633985 in words is "fifty-four million, six hundred thirty-three thousand, nine hundred eighty-five".