55203373670353 has 4 divisors (see below), whose sum is σ = 55203547159348. Its totient is φ = 55203200181360.

The previous prime is 55203373670321. The next prime is 55203373670381. The reversal of 55203373670353 is 35307637330255.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34284385852369 + 20918987817984 = 5855287^2 + 4573728^2 .

It is a cyclic number.

It is not a de Polignac number, because 55203373670353 - 2⁵ = 55203373670321 is a prime.

It is a super-2 number, since 2×55203373670353² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55203373670353.

It is not an unprimeable number, because it can be changed into a prime (55203373670453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86266326 + ... + 86903887.

It is an arithmetic number, because the mean of its divisors is an integer number (13800886789837).

Almost surely, 2^{55203373670353} is an apocalyptic number.

It is an amenable number.

55203373670353 is a deficient number, since it is larger than the sum of its proper divisors (173488995).

55203373670353 is a wasteful number, since it uses less digits than its factorization.

55203373670353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173488994.

The product of its (nonzero) digits is 17860500, while the sum is 52.

The spelling of 55203373670353 in words is "fifty-five trillion, two hundred three billion, three hundred seventy-three million, six hundred seventy thousand, three hundred fifty-three".