55055000187 has 64 divisors (see below), whose sum is σ = 90238072320. Its totient is φ = 32897404800.

The previous prime is 55055000167. The next prime is 55055000213. The reversal of 55055000187 is 78100055055.

It is not a de Polignac number, because 55055000187 - 2¹² = 55054996091 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55055000167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6103893 + ... + 6112905.

It is an arithmetic number, because the mean of its divisors is an integer number (1409969880).

Almost surely, 2^55055000187 is an apocalyptic number.

55055000187 is a deficient number, since it is larger than the sum of its proper divisors (35183072133).

55055000187 is a wasteful number, since it uses less digits than its factorization.

55055000187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9321 (or 9315 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 36.

The spelling of 55055000187 in words is "fifty-five billion, fifty-five million, one hundred eighty-seven", and thus it is an aban number.