553766505667355 has 16 divisors (see below), whose sum is σ = 668272807724160. Its totient is φ = 440518125086208.

The previous prime is 553766505667351. The next prime is 553766505667357.

553766505667355 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 553766505667355 - 2² = 553766505667351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (553766505667351) 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, 431932547 + ... + 433212716.

It is an arithmetic number, because the mean of its divisors is an integer number (41767050482760).

Almost surely, 2^{553766505667355} is an apocalyptic number.

553766505667355 is a deficient number, since it is larger than the sum of its proper divisors (114506302056805).

553766505667355 is a wasteful number, since it uses less digits than its factorization.

553766505667355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865145990.

The product of its (nonzero) digits is 8930250000, while the sum is 74.

The spelling of 553766505667355 in words is "five hundred fifty-three trillion, seven hundred sixty-six billion, five hundred five million, six hundred sixty-seven thousand, three hundred fifty-five".