535555985 has 4 divisors (see below), whose sum is σ = 642667188. Its totient is φ = 428444784.

The previous prime is 535555973. The next prime is 535556003. The reversal of 535555985 is 589555535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589555535 = 5 ⋅117911107.

It can be written as a sum of positive squares in 2 ways, for example, as 328080769 + 207475216 = 18113^2 + 14404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-535555985 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53555594 + ... + 53555603.

It is an arithmetic number, because the mean of its divisors is an integer number (160666797).

Almost surely, 2^535555985 is an apocalyptic number.

It is an amenable number.

535555985 is a deficient number, since it is larger than the sum of its proper divisors (107111203).

535555985 is a wasteful number, since it uses less digits than its factorization.

535555985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107111202.

The product of its digits is 3375000, while the sum is 50.

The square root of 535555985 is about 23142.0825553795. The cubic root of 535555985 is about 812.0852560995.

The spelling of 535555985 in words is "five hundred thirty-five million, five hundred fifty-five thousand, nine hundred eighty-five".