255550636 has 12 divisors (see below), whose sum is σ = 487869480. Its totient is φ = 116159360.

The previous prime is 255550619. The next prime is 255550637. The reversal of 255550636 is 636055552.

It is a super-2 number, since 2×255550636² = 130612255120008992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255550595 and 255550604.

It is not an unprimeable number, because it can be changed into a prime (255550637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2903941 + ... + 2904028.

It is an arithmetic number, because the mean of its divisors is an integer number (40655790).

Almost surely, 2^255550636 is an apocalyptic number.

It is an amenable number.

255550636 is a deficient number, since it is larger than the sum of its proper divisors (232318844).

255550636 is a wasteful number, since it uses less digits than its factorization.

255550636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5807984 (or 5807982 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

The square root of 255550636 is about 15985.9512072319. The cubic root of 255550636 is about 634.5886818995.

The spelling of 255550636 in words is "two hundred fifty-five million, five hundred fifty thousand, six hundred thirty-six".