355853606358553 has 4 divisors (see below), whose sum is σ = 359376909391908. Its totient is φ = 352330303325200.

The previous prime is 355853606358539. The next prime is 355853606358637.

It is a happy number.

355853606358553 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 214833160067344 + 141020446291209 = 14657188^2 + 11875203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355853606358553 is a prime.

It is a super-2 number, since 2×355853606358553² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355853606358253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1761651516526 + ... + 1761651516727.

It is an arithmetic number, because the mean of its divisors is an integer number (89844227347977).

Almost surely, 2^{355853606358553} is an apocalyptic number.

It is an amenable number.

355853606358553 is a deficient number, since it is larger than the sum of its proper divisors (3523303033355).

355853606358553 is a wasteful number, since it uses less digits than its factorization.

355853606358553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523303033354.

The product of its (nonzero) digits is 2916000000, while the sum is 70.

The spelling of 355853606358553 in words is "three hundred fifty-five trillion, eight hundred fifty-three billion, six hundred six million, three hundred fifty-eight thousand, five hundred fifty-three".