5539649 has 4 divisors (see below), whose sum is σ = 5593536. Its totient is φ = 5485764.

The previous prime is 5539631. The next prime is 5539657. The reversal of 5539649 is 9469355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5539649 is a prime.

It is a super-2 number, since 2×5539649² = 61375422086402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5539249) 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, 26789 + ... + 26994.

It is an arithmetic number, because the mean of its divisors is an integer number (1398384).

Almost surely, 2^5539649 is an apocalyptic number.

It is an amenable number.

5539649 is a deficient number, since it is larger than the sum of its proper divisors (53887).

5539649 is a wasteful number, since it uses less digits than its factorization.

5539649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53886.

The product of its digits is 145800, while the sum is 41.

The square root of 5539649 is about 2353.6458952017. The cubic root of 5539649 is about 176.9405675743.

The spelling of 5539649 in words is "five million, five hundred thirty-nine thousand, six hundred forty-nine".