255549996 has 36 divisors (see below), whose sum is σ = 695665152. Its totient is φ = 78630624.

The previous prime is 255549991. The next prime is 255549997. The reversal of 255549996 is 699945552.

255549996 is a `hidden beast` number, since 2 + 5 + 5 + 549 + 9 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (255549991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272556 + ... + 273491.

It is an arithmetic number, because the mean of its divisors is an integer number (19324032).

Almost surely, 2^255549996 is an apocalyptic number.

255549996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

255549996 is an abundant number, since it is smaller than the sum of its proper divisors (440115156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255549996 is a wasteful number, since it uses less digits than its factorization.

255549996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546070 (or 546065 counting only the distinct ones).

The product of its digits is 4374000, while the sum is 54.

The square root of 255549996 is about 15985.9311896430. The cubic root of 255549996 is about 634.5881521453.

The spelling of 255549996 in words is "two hundred fifty-five million, five hundred forty-nine thousand, nine hundred ninety-six".