255757575 has 24 divisors (see below), whose sum is σ = 445110400. Its totient is φ = 129224160.

The previous prime is 255757561. The next prime is 255757577. The reversal of 255757575 is 575757552.

It is not a de Polignac number, because 255757575 - 2⁵ = 255757543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255757577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88315 + ... + 91164.

Almost surely, 2^255757575 is an apocalyptic number.

255757575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255757575 is a deficient number, since it is larger than the sum of its proper divisors (189352825).

255757575 is a wasteful number, since it uses less digits than its factorization.

255757575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179511 (or 179506 counting only the distinct ones).

The product of its digits is 2143750, while the sum is 48.

The square root of 255757575 is about 15992.4224243859. The cubic root of 255757575 is about 634.7599274346.

The spelling of 255757575 in words is "two hundred fifty-five million, seven hundred fifty-seven thousand, five hundred seventy-five".