55540430304 has 48 divisors (see below), whose sum is σ = 150496657920. Its totient is φ = 17916266880.

The previous prime is 55540430249. The next prime is 55540430311. The reversal of 55540430304 is 40303404555.

It is a tau number, because it is divible by the number of its divisors (48).

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, 9328414 + ... + 9334365.

It is an arithmetic number, because the mean of its divisors is an integer number (3135347040).

Almost surely, 2^55540430304 is an apocalyptic number.

It is an amenable number.

55540430304 is an abundant number, since it is smaller than the sum of its proper divisors (94956227616).

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

55540430304 is a wasteful number, since it uses less digits than its factorization.

55540430304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18662823 (or 18662815 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 55540430304 its reverse (40303404555), we get a palindrome (95843834859).

The spelling of 55540430304 in words is "fifty-five billion, five hundred forty million, four hundred thirty thousand, three hundred four".