556028684287 has 4 divisors (see below), whose sum is σ = 556059349440. Its totient is φ = 555998019136.

The previous prime is 556028684279. The next prime is 556028684293. The reversal of 556028684287 is 782486820655.

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 556028684287 - 2³ = 556028684279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556028684227) 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, 15305362 + ... + 15341647.

It is an arithmetic number, because the mean of its divisors is an integer number (139014837360).

Almost surely, 2^556028684287 is an apocalyptic number.

556028684287 is a deficient number, since it is larger than the sum of its proper divisors (30665153).

556028684287 is a wasteful number, since it uses less digits than its factorization.

556028684287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30665152.

The product of its (nonzero) digits is 51609600, while the sum is 61.

The spelling of 556028684287 in words is "five hundred fifty-six billion, twenty-eight million, six hundred eighty-four thousand, two hundred eighty-seven".