5655800649 has 16 divisors (see below), whose sum is σ = 7748133120. Its totient is φ = 3667086720.

The previous prime is 5655800639. The next prime is 5655800653. The reversal of 5655800649 is 9460085565.

It is a de Polignac number, because none of the positive numbers 2^k-5655800649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5655800598 and 5655800607.

It is not an unprimeable number, because it can be changed into a prime (5655800609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293584 + ... + 312254.

It is an arithmetic number, because the mean of its divisors is an integer number (484258320).

Almost surely, 2^5655800649 is an apocalyptic number.

It is an amenable number.

5655800649 is a deficient number, since it is larger than the sum of its proper divisors (2092332471).

5655800649 is a wasteful number, since it uses less digits than its factorization.

5655800649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21440.

The product of its (nonzero) digits is 1296000, while the sum is 48.

The square root of 5655800649 is about 75205.0573365914. The cubic root of 5655800649 is about 1781.6868082923.

The spelling of 5655800649 in words is "five billion, six hundred fifty-five million, eight hundred thousand, six hundred forty-nine".