548621285 has 16 divisors (see below), whose sum is σ = 678875904. Its totient is φ = 425410752.

The previous prime is 548621279. The next prime is 548621303. The reversal of 548621285 is 582126845.

It is a happy number.

548621285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548621285 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9524 + ... + 34466.

It is an arithmetic number, because the mean of its divisors is an integer number (42429744).

Almost surely, 2^548621285 is an apocalyptic number.

It is an amenable number.

548621285 is a deficient number, since it is larger than the sum of its proper divisors (130254619).

548621285 is a wasteful number, since it uses less digits than its factorization.

548621285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25084.

The product of its digits is 153600, while the sum is 41.

The square root of 548621285 is about 23422.6660523519. Note that the first 3 decimals coincide. The cubic root of 548621285 is about 818.6360853111.

The spelling of 548621285 in words is "five hundred forty-eight million, six hundred twenty-one thousand, two hundred eighty-five".