355455404554553 has 2 divisors, whose sum is σ = 355455404554554. Its totient is φ = 355455404554552.

The previous prime is 355455404554531. The next prime is 355455404554559.

355455404554553 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352221420958969 + 3233983595584 = 18767563^2 + 1798328^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 355455404554553 - 2¹⁸ = 355455404292409 is a prime.

It is not a weakly prime, because it can be changed into another prime (355455404554559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177727702277276 + 177727702277277.

It is an arithmetic number, because the mean of its divisors is an integer number (177727702277277).

Almost surely, 2^{355455404554553} is an apocalyptic number.

It is an amenable number.

355455404554553 is a deficient number, since it is larger than the sum of its proper divisors (1).

355455404554553 is an equidigital number, since it uses as much as digits as its factorization.

355455404554553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900000000, while the sum is 62.

The spelling of 355455404554553 in words is "three hundred fifty-five trillion, four hundred fifty-five billion, four hundred four million, five hundred fifty-four thousand, five hundred fifty-three".