255551043 has 16 divisors (see below), whose sum is σ = 372404736. Its totient is φ = 154590240.

The previous prime is 255551029. The next prime is 255551047. The reversal of 255551043 is 340155552.

It is a happy number.

It is not a de Polignac number, because 255551043 - 2⁶ = 255550979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255551043.

It is not an unprimeable number, because it can be changed into a prime (255551047) 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, 11430 + ... + 25332.

It is an arithmetic number, because the mean of its divisors is an integer number (23275296).

Almost surely, 2^255551043 is an apocalyptic number.

255551043 is a deficient number, since it is larger than the sum of its proper divisors (116853693).

255551043 is a wasteful number, since it uses less digits than its factorization.

255551043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14474.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 255551043 is about 15985.9639371544. The cubic root of 255551043 is about 634.5890187896.

The spelling of 255551043 in words is "two hundred fifty-five million, five hundred fifty-one thousand, forty-three".