5555649 has 8 divisors (see below), whose sum is σ = 8080992. Its totient is φ = 3367040.

The previous prime is 5555639. The next prime is 5555653. The reversal of 5555649 is 9465555.

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

It is a cyclic number.

It is not a de Polignac number, because 5555649 - 2⁴ = 5555633 is a prime.

It is a super-2 number, since 2×5555649² = 61730471622402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5555609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84144 + ... + 84209.

It is an arithmetic number, because the mean of its divisors is an integer number (1010124).

Almost surely, 2^5555649 is an apocalyptic number.

It is an amenable number.

5555649 is a deficient number, since it is larger than the sum of its proper divisors (2525343).

5555649 is a wasteful number, since it uses less digits than its factorization.

5555649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168367.

The product of its digits is 135000, while the sum is 39.

The square root of 5555649 is about 2357.0424264319. The cubic root of 5555649 is about 177.1107545203.

The spelling of 5555649 in words is "five million, five hundred fifty-five thousand, six hundred forty-nine".