54990285 has 16 divisors (see below), whose sum is σ = 100553856. Its totient is φ = 25138368.

The previous prime is 54990283. The next prime is 54990289. The reversal of 54990285 is 58209945.

It is not a de Polignac number, because 54990285 - 2¹ = 54990283 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54990283) 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, 261754 + ... + 261963.

It is an arithmetic number, because the mean of its divisors is an integer number (6284616).

Almost surely, 2^54990285 is an apocalyptic number.

It is an amenable number.

54990285 is a deficient number, since it is larger than the sum of its proper divisors (45563571).

54990285 is a wasteful number, since it uses less digits than its factorization.

54990285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523732.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 54990285 is about 7415.5434730032. The cubic root of 54990285 is about 380.2728534345.

The spelling of 54990285 in words is "fifty-four million, nine hundred ninety thousand, two hundred eighty-five".