55566447744715 has 16 divisors (see below), whose sum is σ = 67345056783072. Its totient is φ = 44010132171264.

The previous prime is 55566447744671. The next prime is 55566447744733. The reversal of 55566447744715 is 51744774466555.

It is a cyclic number.

It is not a de Polignac number, because 55566447744715 - 2²⁵ = 55566414190283 is a prime.

It is a super-2 number, since 2×55566447744715² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31663614 + ... + 33372403.

It is an arithmetic number, because the mean of its divisors is an integer number (4209066048942).

Almost surely, 2^{55566447744715} is an apocalyptic number.

55566447744715 is a deficient number, since it is larger than the sum of its proper divisors (11778609038357).

55566447744715 is a wasteful number, since it uses less digits than its factorization.

55566447744715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65037726.

The product of its digits is 1975680000, while the sum is 70.

The spelling of 55566447744715 in words is "fifty-five trillion, five hundred sixty-six billion, four hundred forty-seven million, seven hundred forty-four thousand, seven hundred fifteen".