5649752820 has 48 divisors (see below), whose sum is σ = 15823862208. Its totient is φ = 1506167040.

The previous prime is 5649752803. The next prime is 5649752831. The reversal of 5649752820 is 282579465.

It is a self number, because there is not a number n which added to its sum of digits gives 5649752820.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 233952 + ... + 256968.

It is an arithmetic number, because the mean of its divisors is an integer number (329663796).

Almost surely, 2^5649752820 is an apocalyptic number.

It is an amenable number.

5649752820 is an abundant number, since it is smaller than the sum of its proper divisors (10174109388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5649752820 is a wasteful number, since it uses less digits than its factorization.

5649752820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27120 (or 27118 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 5649752820 is about 75164.8376569789. The cubic root of 5649752820 is about 1781.0515206857.

The spelling of 5649752820 in words is "five billion, six hundred forty-nine million, seven hundred fifty-two thousand, eight hundred twenty".