55187181107000 has 128 divisors (see below), whose sum is σ = 138975906401280. Its totient is φ = 20435754240000.

The previous prime is 55187181106997. The next prime is 55187181107011. The reversal of 55187181107000 is 70118178155.

It is a happy number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25572056 + ... + 27646055.

It is an arithmetic number, because the mean of its divisors is an integer number (1085749268760).

Almost surely, 2^{55187181107000} is an apocalyptic number.

55187181107000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55187181107000 is an abundant number, since it is smaller than the sum of its proper divisors (83788725294280).

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

55187181107000 is a wasteful number, since it uses less digits than its factorization.

55187181107000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53218210 (or 53218196 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 44.

The spelling of 55187181107000 in words is "fifty-five trillion, one hundred eighty-seven billion, one hundred eighty-one million, one hundred seven thousand".