5517866 has 8 divisors (see below), whose sum is σ = 8712480. Its totient is φ = 2613708.

The previous prime is 5517839. The next prime is 5517871. The reversal of 5517866 is 6687155.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 145207 = 5517866 / (5 + 5 + 1 + 7 + 8 + 6 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72566 + ... + 72641.

It is an arithmetic number, because the mean of its divisors is an integer number (1089060).

Almost surely, 2^5517866 is an apocalyptic number.

5517866 is a deficient number, since it is larger than the sum of its proper divisors (3194614).

5517866 is a wasteful number, since it uses less digits than its factorization.

5517866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145228.

The product of its digits is 50400, while the sum is 38.

The square root of 5517866 is about 2349.0138356340. The cubic root of 5517866 is about 176.7083411040.

The spelling of 5517866 in words is "five million, five hundred seventeen thousand, eight hundred sixty-six".