5621556808082 has 16 divisors (see below), whose sum is σ = 8663855423832. Its totient is φ = 2733668496000.

The previous prime is 5621556808073. The next prime is 5621556808103. The reversal of 5621556808082 is 2808086551265.

It can be written as a sum of positive squares in 4 ways, for example, as 5410783079881 + 210773728201 = 2326109^2 + 459101^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15695669 + ... + 16049832.

Almost surely, 2^{5621556808082} is an apocalyptic number.

5621556808082 is a deficient number, since it is larger than the sum of its proper divisors (3042298615750).

5621556808082 is a wasteful number, since it uses less digits than its factorization.

5621556808082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31747933.

The product of its (nonzero) digits is 9216000, while the sum is 56.

The spelling of 5621556808082 in words is "five trillion, six hundred twenty-one billion, five hundred fifty-six million, eight hundred eight thousand, eighty-two".