55350285 has 16 divisors (see below), whose sum is σ = 90232704. Its totient is φ = 28962752.

The previous prime is 55350271. The next prime is 55350289. The reversal of 55350285 is 58205355.

It is a cyclic number.

It is not a de Polignac number, because 55350285 - 2¹⁸ = 55088141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55350289) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 34017 + ... + 35606.

It is an arithmetic number, because the mean of its divisors is an integer number (5639544).

Almost surely, 2^55350285 is an apocalyptic number.

It is an amenable number.

55350285 is a deficient number, since it is larger than the sum of its proper divisors (34882419).

55350285 is a wasteful number, since it uses less digits than its factorization.

55350285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69684.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 55350285 is about 7439.7772144064. Note that the first 3 decimals coincide. The cubic root of 55350285 is about 381.1008819322.

The spelling of 55350285 in words is "fifty-five million, three hundred fifty thousand, two hundred eighty-five".