55604434004 has 36 divisors (see below), whose sum is σ = 115175939424. Its totient is φ = 23008721568.

The previous prime is 55604433959. The next prime is 55604434007. The reversal of 55604434004 is 40043440655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55604434007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1157114 + ... + 1204209.

Almost surely, 2^55604434004 is an apocalyptic number.

It is an amenable number.

55604434004 is an abundant number, since it is smaller than the sum of its proper divisors (59571505420).

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

55604434004 is a wasteful number, since it uses less digits than its factorization.

55604434004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361392 (or 2361361 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 55604434004 its reverse (40043440655), we get a palindrome (95647874659).

The spelling of 55604434004 in words is "fifty-five billion, six hundred four million, four hundred thirty-four thousand, four".