5531618 has 16 divisors (see below), whose sum is σ = 8588160. Its totient is φ = 2670576.

The previous prime is 5531599. The next prime is 5531621. The reversal of 5531618 is 8161355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7448 + ... + 8156.

It is an arithmetic number, because the mean of its divisors is an integer number (536760).

Almost surely, 2^5531618 is an apocalyptic number.

5531618 is a deficient number, since it is larger than the sum of its proper divisors (3056542).

5531618 is a wasteful number, since it uses less digits than its factorization.

5531618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841.

The product of its digits is 3600, while the sum is 29.

The square root of 5531618 is about 2351.9391998944. The cubic root of 5531618 is about 176.8550208218.

The spelling of 5531618 in words is "five million, five hundred thirty-one thousand, six hundred eighteen".