5615556 has 12 divisors (see below), whose sum is σ = 13102992. Its totient is φ = 1871848.

The previous prime is 5615551. The next prime is 5615563. The reversal of 5615556 is 6555165.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (5615551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233970 + ... + 233993.

It is an arithmetic number, because the mean of its divisors is an integer number (1091916).

Almost surely, 2^5615556 is an apocalyptic number.

It is an amenable number.

5615556 is an abundant number, since it is smaller than the sum of its proper divisors (7487436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5615556 is a wasteful number, since it uses less digits than its factorization.

5615556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467970 (or 467968 counting only the distinct ones).

The product of its digits is 22500, while the sum is 33.

The square root of 5615556 is about 2369.7164387327. The cubic root of 5615556 is about 177.7450796923.

The spelling of 5615556 in words is "five million, six hundred fifteen thousand, five hundred fifty-six".