5685509906 has 8 divisors (see below), whose sum is σ = 8528764860. Its totient is φ = 2842588288.

The previous prime is 5685509891. The next prime is 5685509933. The reversal of 5685509906 is 6099055865.

It can be written as a sum of positive squares in 2 ways, for example, as 5588310025 + 97199881 = 74755^2 + 9859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35111 + ... + 112266.

Almost surely, 2^5685509906 is an apocalyptic number.

5685509906 is a deficient number, since it is larger than the sum of its proper divisors (2843254954).

5685509906 is a wasteful number, since it uses less digits than its factorization.

5685509906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166668.

The product of its (nonzero) digits is 2916000, while the sum is 53.

The square root of 5685509906 is about 75402.3202958636. The cubic root of 5685509906 is about 1784.8010256651.

The spelling of 5685509906 in words is "five billion, six hundred eighty-five million, five hundred nine thousand, nine hundred six".