355945549553 has 8 divisors (see below), whose sum is σ = 388315168896. Its totient is φ = 323577752400.

The previous prime is 355945549513. The next prime is 355945549657.

It is a happy number.

355945549553 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 355945549553 - 2¹² = 355945545457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355945549513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29801 + ... + 844262.

It is an arithmetic number, because the mean of its divisors is an integer number (48539396112).

Almost surely, 2^355945549553 is an apocalyptic number.

It is an amenable number.

355945549553 is a deficient number, since it is larger than the sum of its proper divisors (32369619343).

355945549553 is a wasteful number, since it uses less digits than its factorization.

355945549553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911095.

The product of its digits is 182250000, while the sum is 62.

The spelling of 355945549553 in words is "three hundred fifty-five billion, nine hundred forty-five million, five hundred forty-nine thousand, five hundred fifty-three".