55187006 has 32 divisors (see below), whose sum is σ = 98703360. Its totient is φ = 22644000.

The previous prime is 55186993. The next prime is 55187023. The reversal of 55187006 is 60078155.

55187006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43205 + ... + 44463.

It is an arithmetic number, because the mean of its divisors is an integer number (3084480).

Almost surely, 2^55187006 is an apocalyptic number.

55187006 is a deficient number, since it is larger than the sum of its proper divisors (43516354).

55187006 is a wasteful number, since it uses less digits than its factorization.

55187006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 55187006 is about 7428.7957301302. The cubic root of 55187006 is about 380.7257736051.

The spelling of 55187006 in words is "fifty-five million, one hundred eighty-seven thousand, six".