5649755 has 4 divisors (see below), whose sum is σ = 6779712. Its totient is φ = 4519800.

The previous prime is 5649739. The next prime is 5649757. The reversal of 5649755 is 5579465.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5649755 - 2⁴ = 5649739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5649757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564971 + ... + 564980.

It is an arithmetic number, because the mean of its divisors is an integer number (1694928).

Almost surely, 2^5649755 is an apocalyptic number.

5649755 is a deficient number, since it is larger than the sum of its proper divisors (1129957).

5649755 is a wasteful number, since it uses less digits than its factorization.

5649755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129956.

The product of its digits is 189000, while the sum is 41.

The square root of 5649755 is about 2376.9213281049. The cubic root of 5649755 is about 178.1051749763.

The spelling of 5649755 in words is "five million, six hundred forty-nine thousand, seven hundred fifty-five".