5654809 has 6 divisors (see below), whose sum is σ = 5723214. Its totient is φ = 5587200.

The previous prime is 5654807. The next prime is 5654813. The reversal of 5654809 is 9084565.

It can be written as a sum of positive squares in 3 ways, for example, as 1440000 + 4214809 = 1200^2 + 2053^2 .

It is not a de Polignac number, because 5654809 - 2¹ = 5654807 is a prime.

It is a Duffinian number.

5654809 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5654807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9109 + ... + 9709.

It is an arithmetic number, because the mean of its divisors is an integer number (953869).

Almost surely, 2^5654809 is an apocalyptic number.

It is an amenable number.

5654809 is a deficient number, since it is larger than the sum of its proper divisors (68405).

5654809 is an frugal number, since it uses more digits than its factorization.

5654809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 5654809 is about 2377.9842303935. The cubic root of 5654809 is about 178.1582672655.

The spelling of 5654809 in words is "five million, six hundred fifty-four thousand, eight hundred nine".