55020313404 has 36 divisors (see below), whose sum is σ = 158947572784. Its totient is φ = 15720089472.

The previous prime is 55020313393. The next prime is 55020313409. The reversal of 55020313404 is 40431302055.

55020313404 is a `hidden beast` number, since 5 + 50 + 203 + 1 + 3 + 404 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55020313409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109167037 + ... + 109167540.

Almost surely, 2^55020313404 is an apocalyptic number.

It is an amenable number.

55020313404 is an abundant number, since it is smaller than the sum of its proper divisors (103927259380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55020313404 is a wasteful number, since it uses less digits than its factorization.

55020313404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218334594 (or 218334589 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 55020313404 its reverse (40431302055), we get a palindrome (95451615459).

The spelling of 55020313404 in words is "fifty-five billion, twenty million, three hundred thirteen thousand, four hundred four".