5655721061560 has 32 divisors (see below), whose sum is σ = 13278649451040. Its totient is φ = 2163928057984.

The previous prime is 5655721061509. The next prime is 5655721061567. The reversal of 5655721061560 is 651601275565.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5655721061567) 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, 3073760527 + ... + 3073762366.

It is an arithmetic number, because the mean of its divisors is an integer number (414957795345).

Almost surely, 2^{5655721061560} is an apocalyptic number.

It is an amenable number.

5655721061560 is an abundant number, since it is smaller than the sum of its proper divisors (7622928389480).

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

5655721061560 is a wasteful number, since it uses less digits than its factorization.

5655721061560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6147522927 (or 6147522923 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 49.

The spelling of 5655721061560 in words is "five trillion, six hundred fifty-five billion, seven hundred twenty-one million, sixty-one thousand, five hundred sixty".