5687537 has 4 divisors (see below), whose sum is σ = 6022116. Its totient is φ = 5352960.

The previous prime is 5687531. The next prime is 5687551. The reversal of 5687537 is 7357865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7357865 = 5 ⋅1471573.

It can be written as a sum of positive squares in 2 ways, for example, as 2298256 + 3389281 = 1516^2 + 1841^2 .

It is not a de Polignac number, because 5687537 - 2²⁰ = 4638961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5687494 and 5687503.

It is not an unprimeable number, because it can be changed into a prime (5687531) 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, 167264 + ... + 167297.

It is an arithmetic number, because the mean of its divisors is an integer number (1505529).

Almost surely, 2^5687537 is an apocalyptic number.

It is an amenable number.

5687537 is a deficient number, since it is larger than the sum of its proper divisors (334579).

5687537 is a wasteful number, since it uses less digits than its factorization.

5687537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334578.

The product of its digits is 176400, while the sum is 41.

The square root of 5687537 is about 2384.8557608375. The cubic root of 5687537 is about 178.5013116261.

The spelling of 5687537 in words is "five million, six hundred eighty-seven thousand, five hundred thirty-seven".