255539893 has 16 divisors (see below), whose sum is σ = 300109824. Its totient is φ = 213044400.

The previous prime is 255539891. The next prime is 255539899. The reversal of 255539893 is 398935552.

It is a cyclic number.

It is not a de Polignac number, because 255539893 - 2¹ = 255539891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255539891) 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, 52618 + ... + 57268.

It is an arithmetic number, because the mean of its divisors is an integer number (18756864).

Almost surely, 2^255539893 is an apocalyptic number.

It is an amenable number.

255539893 is a deficient number, since it is larger than the sum of its proper divisors (44569931).

255539893 is a wasteful number, since it uses less digits than its factorization.

255539893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872.

The product of its digits is 1458000, while the sum is 49.

The square root of 255539893 is about 15985.6151899137. The cubic root of 255539893 is about 634.5797893608.

The spelling of 255539893 in words is "two hundred fifty-five million, five hundred thirty-nine thousand, eight hundred ninety-three".