55541136505404 has 24 divisors (see below), whose sum is σ = 141377438377728. Its totient is φ = 16830647425840.

The previous prime is 55541136505373. The next prime is 55541136505489. The reversal of 55541136505404 is 40450563114555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210383092692 + ... + 210383092955.

It is an arithmetic number, because the mean of its divisors is an integer number (5890726599072).

Almost surely, 2^{55541136505404} is an apocalyptic number.

It is an amenable number.

55541136505404 is an abundant number, since it is smaller than the sum of its proper divisors (85836301872324).

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

55541136505404 is a wasteful number, since it uses less digits than its factorization.

55541136505404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420766185665 (or 420766185663 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 48.

Adding to 55541136505404 its reverse (40450563114555), we get a palindrome (95991699619959).

The spelling of 55541136505404 in words is "fifty-five trillion, five hundred forty-one billion, one hundred thirty-six million, five hundred five thousand, four hundred four".