550535685 has 32 divisors (see below), whose sum is σ = 1009102080. Its totient is φ = 251071488.

The previous prime is 550535683. The next prime is 550535693. The reversal of 550535685 is 586535055.

It is not a de Polignac number, because 550535685 - 2¹ = 550535683 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 (550535683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39411 + ... + 51519.

It is an arithmetic number, because the mean of its divisors is an integer number (31534440).

Almost surely, 2^550535685 is an apocalyptic number.

It is an amenable number.

550535685 is a deficient number, since it is larger than the sum of its proper divisors (458566395).

550535685 is a wasteful number, since it uses less digits than its factorization.

550535685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12557.

The product of its (nonzero) digits is 450000, while the sum is 42.

The square root of 550535685 is about 23463.4968621474. The cubic root of 550535685 is about 819.5871831463.

The spelling of 550535685 in words is "five hundred fifty million, five hundred thirty-five thousand, six hundred eighty-five".