255576487 has 4 divisors (see below), whose sum is σ = 270610416. Its totient is φ = 240542560.

The previous prime is 255576481. The next prime is 255576511. The reversal of 255576487 is 784675552.

It is a happy number.

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 255576487 - 2¹¹ = 255574439 is a prime.

It is a super-2 number, since 2×255576487² = 130638681414522338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255576487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255576481) 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, 7516939 + ... + 7516972.

It is an arithmetic number, because the mean of its divisors is an integer number (67652604).

Almost surely, 2^255576487 is an apocalyptic number.

255576487 is a deficient number, since it is larger than the sum of its proper divisors (15033929).

255576487 is a wasteful number, since it uses less digits than its factorization.

255576487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15033928.

The product of its digits is 2352000, while the sum is 49.

The square root of 255576487 is about 15986.7597404852. The cubic root of 255576487 is about 634.6100790926.

The spelling of 255576487 in words is "two hundred fifty-five million, five hundred seventy-six thousand, four hundred eighty-seven".