5655736063621 has 8 divisors (see below), whose sum is σ = 6486538284224. Its totient is φ = 4830643824480.

The previous prime is 5655736063591. The next prime is 5655736063657. The reversal of 5655736063621 is 1263606375565.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5655736063621 - 2¹⁵ = 5655736030853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5655736063661) 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, 1427493240 + ... + 1427497201.

It is an arithmetic number, because the mean of its divisors is an integer number (810817285528).

Almost surely, 2^{5655736063621} is an apocalyptic number.

It is an amenable number.

5655736063621 is a deficient number, since it is larger than the sum of its proper divisors (830802220603).

5655736063621 is a wasteful number, since it uses less digits than its factorization.

5655736063621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854990731.

The product of its (nonzero) digits is 20412000, while the sum is 55.

The spelling of 5655736063621 in words is "five trillion, six hundred fifty-five billion, seven hundred thirty-six million, sixty-three thousand, six hundred twenty-one".