355381904553 has 16 divisors (see below), whose sum is σ = 511408603776. Its totient is φ = 218217997440.

The previous prime is 355381904513. The next prime is 355381904561. The reversal of 355381904553 is 355409183553.

It is not a de Polignac number, because 355381904553 - 2²⁸ = 355113469097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 355381904496 and 355381904505.

It is not an unprimeable number, because it can be changed into a prime (355381904503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9951933 + ... + 9987578.

It is an arithmetic number, because the mean of its divisors is an integer number (31963037736).

Almost surely, 2^355381904553 is an apocalyptic number.

It is an amenable number.

355381904553 is a deficient number, since it is larger than the sum of its proper divisors (156026699223).

355381904553 is a wasteful number, since it uses less digits than its factorization.

355381904553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19939984.

The product of its (nonzero) digits is 4860000, while the sum is 51.

The spelling of 355381904553 in words is "three hundred fifty-five billion, three hundred eighty-one million, nine hundred four thousand, five hundred fifty-three".