5653421806 has 16 divisors (see below), whose sum is σ = 8638866720. Its totient is φ = 2774011680.

The previous prime is 5653421759. The next prime is 5653421821. The reversal of 5653421806 is 6081243565.

It is a super-2 number, since 2×5653421806² = 63922356233112603272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780 + ... + 106336.

It is an arithmetic number, because the mean of its divisors is an integer number (539929170).

Almost surely, 2^5653421806 is an apocalyptic number.

5653421806 is a deficient number, since it is larger than the sum of its proper divisors (2985444914).

5653421806 is a wasteful number, since it uses less digits than its factorization.

5653421806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106059.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 5653421806 is about 75189.2399615796. The cubic root of 5653421806 is about 1781.4369793813.

The spelling of 5653421806 in words is "five billion, six hundred fifty-three million, four hundred twenty-one thousand, eight hundred six".