54443222212665 has 256 divisors, whose sum is σ = 108199691550720. Its totient is φ = 22982113566720.

The previous prime is 54443222212657. The next prime is 54443222212669. The reversal of 54443222212665 is 56621222234445.

It is not a de Polignac number, because 54443222212665 - 2³ = 54443222212657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54443222212669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 9630851979 + ... + 9630857631.

It is an arithmetic number, because the mean of its divisors is an integer number (422655045120).

Almost surely, 2^{54443222212665} is an apocalyptic number.

54443222212665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54443222212665 is a deficient number, since it is larger than the sum of its proper divisors (53756469338055).

54443222212665 is a wasteful number, since it uses less digits than its factorization.

54443222212665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6704.

The product of its digits is 5529600, while the sum is 48.

The spelling of 54443222212665 in words is "fifty-four trillion, four hundred forty-three billion, two hundred twenty-two million, two hundred twelve thousand, six hundred sixty-five".