54510985 has 16 divisors (see below), whose sum is σ = 66873600. Its totient is φ = 42643456.

The previous prime is 54510983. The next prime is 54510991. The reversal of 54510985 is 58901545.

It is a cyclic number.

It is not a de Polignac number, because 54510985 - 2¹ = 54510983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54510983) 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, 75456 + ... + 76174.

It is an arithmetic number, because the mean of its divisors is an integer number (4179600).

Almost surely, 2^54510985 is an apocalyptic number.

It is an amenable number.

54510985 is a deficient number, since it is larger than the sum of its proper divisors (12362615).

54510985 is a wasteful number, since it uses less digits than its factorization.

54510985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 54510985 is about 7383.1554907099. The cubic root of 54510985 is about 379.1647976937.

The spelling of 54510985 in words is "fifty-four million, five hundred ten thousand, nine hundred eighty-five".