55505500049988 has 72 divisors (see below), whose sum is σ = 140394076804800. Its totient is φ = 18490163820480.

The previous prime is 55505500049981. The next prime is 55505500050059. The reversal of 55505500049988 is 88994000550555.

55505500049988 is a `hidden beast` number, since 5 + 5 + 5 + 0 + 5 + 500 + 0 + 49 + 9 + 88 = 666.

It is not an unprimeable number, because it can be changed into a prime (55505500049981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 985877463 + ... + 985933761.

It is an arithmetic number, because the mean of its divisors is an integer number (1949917733400).

Almost surely, 2^{55505500049988} is an apocalyptic number.

It is an amenable number.

55505500049988 is an abundant number, since it is smaller than the sum of its proper divisors (84888576754812).

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

55505500049988 is a wasteful number, since it uses less digits than its factorization.

55505500049988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73097 (or 73092 counting only the distinct ones).

The product of its (nonzero) digits is 64800000, while the sum is 63.

The spelling of 55505500049988 in words is "fifty-five trillion, five hundred five billion, five hundred million, forty-nine thousand, nine hundred eighty-eight".