5556887 has 4 divisors (see below), whose sum is σ = 6350736. Its totient is φ = 4763040.

The previous prime is 5556877. The next prime is 5556907. The reversal of 5556887 is 7886555.

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 5556887 - 2¹⁰ = 5555863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5556877) 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, 396914 + ... + 396927.

It is an arithmetic number, because the mean of its divisors is an integer number (1587684).

Almost surely, 2^5556887 is an apocalyptic number.

5556887 is a deficient number, since it is larger than the sum of its proper divisors (793849).

5556887 is an equidigital number, since it uses as much as digits as its factorization.

5556887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793848.

The product of its digits is 336000, while the sum is 44.

The square root of 5556887 is about 2357.3050290533. The cubic root of 5556887 is about 177.1239091088.

It can be divided in two parts, 55568 and 87, that added together give a palindrome (55655).

The spelling of 5556887 in words is "five million, five hundred fifty-six thousand, eight hundred eighty-seven".