55504011040000 has 180 divisors, whose sum is σ = 138491146037860. Its totient is φ = 22194155520000.

The previous prime is 55504011039979. The next prime is 55504011040129. The reversal of 55504011040000 is 4011040555.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 19391411130624 + 36112599909376 = 4403568^2 + 6009376^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 489703336 + ... + 489816664.

Almost surely, 2^{55504011040000} is an apocalyptic number.

55504011040000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55504011040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69245573018930).

55504011040000 is an abundant number, since it is smaller than the sum of its proper divisors (82987134997860).

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

55504011040000 is an equidigital number, since it uses as much as digits as its factorization.

55504011040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116426 (or 116397 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 55504011040000 its reverse (4011040555), we get a palindrome (55508022080555).

The spelling of 55504011040000 in words is "fifty-five trillion, five hundred four billion, eleven million, forty thousand".