5531687 has 4 divisors (see below), whose sum is σ = 6321936. Its totient is φ = 4741440.

The previous prime is 5531677. The next prime is 5531693. The reversal of 5531687 is 7861355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7861355 = 5 ⋅1572271.

It is a cyclic number.

It is not a de Polignac number, because 5531687 - 2⁶ = 5531623 is a prime.

It is a super-2 number, since 2×5531687² = 61199122131938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5531627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395114 + ... + 395127.

It is an arithmetic number, because the mean of its divisors is an integer number (1580484).

Almost surely, 2^5531687 is an apocalyptic number.

5531687 is a deficient number, since it is larger than the sum of its proper divisors (790249).

5531687 is an equidigital number, since it uses as much as digits as its factorization.

5531687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790248.

The product of its digits is 25200, while the sum is 35.

The square root of 5531687 is about 2351.9538685952. The cubic root of 5531687 is about 176.8557561670.

The spelling of 5531687 in words is "five million, five hundred thirty-one thousand, six hundred eighty-seven".