5653979780 has 24 divisors (see below), whose sum is σ = 12282784920. Its totient is φ = 2183605760.

The previous prime is 5653979759. The next prime is 5653979783. The reversal of 5653979780 is 879793565.

It can be written as a sum of positive squares in 4 ways, for example, as 42172036 + 5611807744 = 6494^2 + 74912^2 .

It is not an unprimeable number, because it can be changed into a prime (5653979783) 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, 4873541 + ... + 4874700.

It is an arithmetic number, because the mean of its divisors is an integer number (511782705).

Almost surely, 2^5653979780 is an apocalyptic number.

It is an amenable number.

5653979780 is an abundant number, since it is smaller than the sum of its proper divisors (6628805140).

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

5653979780 is a wasteful number, since it uses less digits than its factorization.

5653979780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9748279 (or 9748277 counting only the distinct ones).

The product of its (nonzero) digits is 14288400, while the sum is 59.

The square root of 5653979780 is about 75192.9503344562. The cubic root of 5653979780 is about 1781.4955847623.

The spelling of 5653979780 in words is "five billion, six hundred fifty-three million, nine hundred seventy-nine thousand, seven hundred eighty".