55205340404 has 24 divisors (see below), whose sum is σ = 97603283400. Its totient is φ = 27320057856.

The previous prime is 55205340367. The next prime is 55205340409. The reversal of 55205340404 is 40404350255.

It can be written as a sum of positive squares in 4 ways, for example, as 3102712804 + 52102627600 = 55702^2 + 228260^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55205340409) 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, 9629 + ... + 332420.

It is an arithmetic number, because the mean of its divisors is an integer number (4066803475).

Almost surely, 2^55205340404 is an apocalyptic number.

It is an amenable number.

55205340404 is a deficient number, since it is larger than the sum of its proper divisors (42397942996).

55205340404 is a wasteful number, since it uses less digits than its factorization.

55205340404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342467 (or 342465 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 55205340404 its reverse (40404350255), we get a palindrome (95609690659).

The spelling of 55205340404 in words is "fifty-five billion, two hundred five million, three hundred forty thousand, four hundred four".