355556655553 has 16 divisors (see below), whose sum is σ = 408581187840. Its totient is φ = 306006195600.

The previous prime is 355556655527. The next prime is 355556655557.

355556655553 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 355556655553 - 2²⁹ = 355019784641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355556655557) 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, 297843 + ... + 894328.

It is an arithmetic number, because the mean of its divisors is an integer number (25536324240).

Almost surely, 2^355556655553 is an apocalyptic number.

It is an amenable number.

355556655553 is a deficient number, since it is larger than the sum of its proper divisors (53024532287).

355556655553 is a wasteful number, since it uses less digits than its factorization.

355556655553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193628.

The product of its digits is 126562500, while the sum is 58.

The spelling of 355556655553 in words is "three hundred fifty-five billion, five hundred fifty-six million, six hundred fifty-five thousand, five hundred fifty-three".