354522505553 has 2 divisors, whose sum is σ = 354522505554. Its totient is φ = 354522505552.

The previous prime is 354522505537. The next prime is 354522505583. The reversal of 354522505553 is 355505225453.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248251069504 + 106271436049 = 498248^2 + 325993^2 .

It is a cyclic number.

It is not a de Polignac number, because 354522505553 - 2⁴ = 354522505537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (354522505523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177261252776 + 177261252777.

It is an arithmetic number, because the mean of its divisors is an integer number (177261252777).

Almost surely, 2^354522505553 is an apocalyptic number.

It is an amenable number.

354522505553 is a deficient number, since it is larger than the sum of its proper divisors (1).

354522505553 is an equidigital number, since it uses as much as digits as its factorization.

354522505553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250000, while the sum is 44.

The spelling of 354522505553 in words is "three hundred fifty-four billion, five hundred twenty-two million, five hundred five thousand, five hundred fifty-three".