355545553 has 24 divisors (see below), whose sum is σ = 403724160. Its totient is φ = 312708000.

The previous prime is 355545527. The next prime is 355545577.

355545553 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 355545553 - 2⁵ = 355545521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355545503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 574078 + ... + 574696.

It is an arithmetic number, because the mean of its divisors is an integer number (16821840).

Almost surely, 2^355545553 is an apocalyptic number.

It is an amenable number.

355545553 is a deficient number, since it is larger than the sum of its proper divisors (48178607).

355545553 is a wasteful number, since it uses less digits than its factorization.

355545553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 778 counting only the distinct ones).

The product of its digits is 562500, while the sum is 40.

The square root of 355545553 is about 18855.9155969685. The cubic root of 355545553 is about 708.4324027461.

The spelling of 355545553 in words is "three hundred fifty-five million, five hundred forty-five thousand, five hundred fifty-three".