555987265 has 8 divisors (see below), whose sum is σ = 683457768. Its totient is φ = 433941120.

The previous prime is 555987247. The next prime is 555987281. The reversal of 555987265 is 562789555.

It can be written as a sum of positive squares in 4 ways, for example, as 65674816 + 490312449 = 8104^2 + 22143^2 .

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

It is not a de Polignac number, because 555987265 - 2¹⁷ = 555856193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355862 + ... + 1356271.

It is an arithmetic number, because the mean of its divisors is an integer number (85432221).

Almost surely, 2^555987265 is an apocalyptic number.

It is an amenable number.

555987265 is a deficient number, since it is larger than the sum of its proper divisors (127470503).

555987265 is a wasteful number, since it uses less digits than its factorization.

555987265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712179.

The product of its digits is 3780000, while the sum is 52.

The square root of 555987265 is about 23579.3822014064. The cubic root of 555987265 is about 822.2835737199.

The spelling of 555987265 in words is "five hundred fifty-five million, nine hundred eighty-seven thousand, two hundred sixty-five".