55555532000000 has 252 divisors, whose sum is σ = 143395942633440. Its totient is φ = 21455884800000.

The previous prime is 55555531999909. The next prime is 55555532000021. The reversal of 55555532000000 is 23555555.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 115760537 + ... + 116239463.

Almost surely, 2^{55555532000000} is an apocalyptic number.

55555532000000 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 55555532000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71697971316720).

55555532000000 is an abundant number, since it is smaller than the sum of its proper divisors (87840410633440).

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

55555532000000 is an frugal number, since it uses more digits than its factorization.

55555532000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479002 (or 478963 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 35.

Adding to 55555532000000 its reverse (23555555), we get a palindrome (55555555555555).

The spelling of 55555532000000 in words is "fifty-five trillion, five hundred fifty-five billion, five hundred thirty-two million", and thus it is an aban number.