5687655531 has 4 divisors (see below), whose sum is σ = 7583540712. Its totient is φ = 3791770352.

The previous prime is 5687655517. The next prime is 5687655539. The reversal of 5687655531 is 1355567865.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5687655531 - 2¹⁰ = 5687654507 is a prime.

It is a super-2 number, since 2×5687655531² = 64698850878629783922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5687655539) 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, 947942586 + ... + 947942591.

It is an arithmetic number, because the mean of its divisors is an integer number (1895885178).

Almost surely, 2^5687655531 is an apocalyptic number.

5687655531 is a deficient number, since it is larger than the sum of its proper divisors (1895885181).

5687655531 is a wasteful number, since it uses less digits than its factorization.

5687655531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895885180.

The product of its digits is 3780000, while the sum is 51.

The square root of 5687655531 is about 75416.5467984314. The cubic root of 5687655531 is about 1785.0255163517.

The spelling of 5687655531 in words is "five billion, six hundred eighty-seven million, six hundred fifty-five thousand, five hundred thirty-one".