54885285 has 72 divisors (see below), whose sum is σ = 117846144. Its totient is φ = 23137920.

The previous prime is 54885253. The next prime is 54885293. The reversal of 54885285 is 58258845.

54885285 is a `hidden beast` number, since 548 + 85 + 28 + 5 = 666.

It is not a de Polignac number, because 54885285 - 2⁵ = 54885253 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 54885285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 52720 + ... + 53750.

It is an arithmetic number, because the mean of its divisors is an integer number (1636752).

Almost surely, 2^54885285 is an apocalyptic number.

It is an amenable number.

54885285 is an abundant number, since it is smaller than the sum of its proper divisors (62960859).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54885285 is a wasteful number, since it uses less digits than its factorization.

54885285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075 (or 1059 counting only the distinct ones).

The product of its digits is 512000, while the sum is 45.

The square root of 54885285 is about 7408.4603663649. The cubic root of 54885285 is about 380.0306646538.

The spelling of 54885285 in words is "fifty-four million, eight hundred eighty-five thousand, two hundred eighty-five".