553644464446355 has 16 divisors (see below), whose sum is σ = 670954447852128. Its totient is φ = 438528218880000.

The previous prime is 553644464446351. The next prime is 553644464446373.

553644464446355 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 553644464446355 - 2² = 553644464446351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553644464446351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110508260 + ... + 115409550.

It is an arithmetic number, because the mean of its divisors is an integer number (41934652990758).

Almost surely, 2^{553644464446355} is an apocalyptic number.

553644464446355 is a deficient number, since it is larger than the sum of its proper divisors (117309983405773).

553644464446355 is a wasteful number, since it uses less digits than its factorization.

553644464446355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125078.

The product of its digits is 4976640000, while the sum is 68.

The spelling of 553644464446355 in words is "five hundred fifty-three trillion, six hundred forty-four billion, four hundred sixty-four million, four hundred forty-six thousand, three hundred fifty-five".