255543004530 has 96 divisors (see below), whose sum is σ = 744402529728. Its totient is φ = 60275491200.

The previous prime is 255543004427. The next prime is 255543004543. The reversal of 255543004530 is 35400345552.

255543004530 is a `hidden beast` number, since 2 + 5 + 554 + 30 + 0 + 45 + 30 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3451536 + ... + 3524795.

It is an arithmetic number, because the mean of its divisors is an integer number (7754193018).

Almost surely, 2^255543004530 is an apocalyptic number.

255543004530 is an abundant number, since it is smaller than the sum of its proper divisors (488859525198).

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

255543004530 is a wasteful number, since it uses less digits than its factorization.

255543004530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6976392 (or 6976389 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 255543004530 in words is "two hundred fifty-five billion, five hundred forty-three million, four thousand, five hundred thirty".