54554985 has 32 divisors (see below), whose sum is σ = 102096000. Its totient is φ = 27563328.

The previous prime is 54554971. The next prime is 54555001. The reversal of 54554985 is 58945545.

54554985 is a `hidden beast` number, since 5 + 4 + 554 + 98 + 5 = 666.

It is not a de Polignac number, because 54554985 - 2⁸ = 54554729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 54554985.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8070 + ... + 13199.

It is an arithmetic number, because the mean of its divisors is an integer number (3190500).

Almost surely, 2^54554985 is an apocalyptic number.

It is an amenable number.

54554985 is a deficient number, since it is larger than the sum of its proper divisors (47541015).

54554985 is a wasteful number, since it uses less digits than its factorization.

54554985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21302 (or 21296 counting only the distinct ones).

The product of its digits is 720000, while the sum is 45.

The square root of 54554985 is about 7386.1346454015. The cubic root of 54554985 is about 379.2667879276.

It can be divided in two parts, 5455 and 4985, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 54554985 in words is "fifty-four million, five hundred fifty-four thousand, nine hundred eighty-five".