255530757 has 8 divisors (see below), whose sum is σ = 360749376. Its totient is φ = 160332992.

The previous prime is 255530741. The next prime is 255530761. The reversal of 255530757 is 757035552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255530757 - 2⁴ = 255530741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255530777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2505153 + ... + 2505254.

It is an arithmetic number, because the mean of its divisors is an integer number (45093672).

Almost surely, 2^255530757 is an apocalyptic number.

It is an amenable number.

255530757 is a deficient number, since it is larger than the sum of its proper divisors (105218619).

255530757 is a wasteful number, since it uses less digits than its factorization.

255530757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010427.

The product of its (nonzero) digits is 183750, while the sum is 39.

The square root of 255530757 is about 15985.3294304497. The cubic root of 255530757 is about 634.5722268234.

The spelling of 255530757 in words is "two hundred fifty-five million, five hundred thirty thousand, seven hundred fifty-seven".