355545545553 has 32 divisors (see below), whose sum is σ = 590149326720. Its totient is φ = 209658300480.

The previous prime is 355545545549. The next prime is 355545545587.

355545545553 is a `hidden beast` number, since 3 + 5 + 5 + 5 + 45 + 5 + 45 + 553 = 666.

355545545553 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 355545545553 - 2² = 355545545549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 355545545553.

It is not an unprimeable number, because it can be changed into a prime (355545545503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16166350 + ... + 16188327.

It is an arithmetic number, because the mean of its divisors is an integer number (18442166460).

Almost surely, 2^355545545553 is an apocalyptic number.

355545545553 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

355545545553 is a deficient number, since it is larger than the sum of its proper divisors (234603781167).

355545545553 is a wasteful number, since it uses less digits than its factorization.

355545545553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32354734 (or 32354728 counting only the distinct ones).

The product of its digits is 56250000, while the sum is 54.

The spelling of 355545545553 in words is "three hundred fifty-five billion, five hundred forty-five million, five hundred forty-five thousand, five hundred fifty-three".