255540532 has 48 divisors (see below), whose sum is σ = 511842240. Its totient is φ = 110587392.

The previous prime is 255540499. The next prime is 255540569. The reversal of 255540532 is 235045552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 255540494 and 255540503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412519 + ... + 413137.

It is an arithmetic number, because the mean of its divisors is an integer number (10663380).

Almost surely, 2^255540532 is an apocalyptic number.

It is an amenable number.

255540532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

255540532 is a wasteful number, since it uses less digits than its factorization.

255540532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 255540532 is about 15985.6351766203. The cubic root of 255540532 is about 634.5803183013.

The spelling of 255540532 in words is "two hundred fifty-five million, five hundred forty thousand, five hundred thirty-two".