255548771 has 4 divisors (see below), whose sum is σ = 255743544. Its totient is φ = 255354000.

The previous prime is 255548767. The next prime is 255548773. The reversal of 255548771 is 177845552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255548771 - 2² = 255548767 is a prime.

It is a super-2 number, since 2×255548771² = 130610348719220882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255548773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95405 + ... + 98046.

It is an arithmetic number, because the mean of its divisors is an integer number (63935886).

Almost surely, 2^255548771 is an apocalyptic number.

255548771 is a deficient number, since it is larger than the sum of its proper divisors (194773).

255548771 is a wasteful number, since it uses less digits than its factorization.

255548771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194772.

The product of its digits is 392000, while the sum is 44.

The square root of 255548771 is about 15985.8928746567. The cubic root of 255548771 is about 634.5871381601.

The spelling of 255548771 in words is "two hundred fifty-five million, five hundred forty-eight thousand, seven hundred seventy-one".