5518071 has 32 divisors (see below), whose sum is σ = 8960000. Its totient is φ = 3335904.

The previous prime is 5518043. The next prime is 5518099. The reversal of 5518071 is 1708155.

It is an interprime number because it is at equal distance from previous prime (5518043) and next prime (5518099).

It is not a de Polignac number, because 5518071 - 2⁷ = 5517943 is a prime.

It is a super-2 number, since 2×5518071² = 60898215122082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518001) 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 31 ways as a sum of consecutive naturals, for example, 27630 + ... + 27828.

It is an arithmetic number, because the mean of its divisors is an integer number (280000).

Almost surely, 2^5518071 is an apocalyptic number.

5518071 is a deficient number, since it is larger than the sum of its proper divisors (3441929).

5518071 is a wasteful number, since it uses less digits than its factorization.

5518071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 5518071 is about 2349.0574705613. The cubic root of 5518071 is about 176.7105294356.

The spelling of 5518071 in words is "five million, five hundred eighteen thousand, seventy-one".