5520861 has 12 divisors (see below), whose sum is σ = 7995520. Its totient is φ = 3670920.

The previous prime is 5520859. The next prime is 5520863. The reversal of 5520861 is 1680255.

It is an interprime number because it is at equal distance from previous prime (5520859) and next prime (5520863).

It is not a de Polignac number, because 5520861 - 2¹ = 5520859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5520863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5076 + ... + 6066.

Almost surely, 2^5520861 is an apocalyptic number.

It is an amenable number.

5520861 is a deficient number, since it is larger than the sum of its proper divisors (2474659).

5520861 is a wasteful number, since it uses less digits than its factorization.

5520861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1613 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 5520861 is about 2349.6512507179. The cubic root of 5520861 is about 176.7403067079.

Subtracting from 5520861 its reverse (1680255), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 5520861 in words is "five million, five hundred twenty thousand, eight hundred sixty-one".