55056646640705 has 8 divisors (see below), whose sum is σ = 66749089123752. Its totient is φ = 43591241875968.

The previous prime is 55056646640659. The next prime is 55056646640729. The reversal of 55056646640705 is 50704664665055.

55056646640705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16861477950529 + 38195168690176 = 4106273^2 + 6180224^2 .

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

It is not a de Polignac number, because 55056646640705 - 2¹⁶ = 55056646575169 is a prime.

It is a super-2 number, since 2×55056646640705² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56759429042 + ... + 56759430011.

It is an arithmetic number, because the mean of its divisors is an integer number (8343636140469).

Almost surely, 2^{55056646640705} is an apocalyptic number.

It is an amenable number.

55056646640705 is a deficient number, since it is larger than the sum of its proper divisors (11692442483047).

55056646640705 is a wasteful number, since it uses less digits than its factorization.

55056646640705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113518859155.

The product of its (nonzero) digits is 90720000, while the sum is 59.

The spelling of 55056646640705 in words is "fifty-five trillion, fifty-six billion, six hundred forty-six million, six hundred forty thousand, seven hundred five".