55214178 has 16 divisors (see below), whose sum is σ = 110553120. Its totient is φ = 18383936.

The previous prime is 55214177. The next prime is 55214183. The reversal of 55214178 is 87141255.

It is not an unprimeable number, because it can be changed into a prime (55214177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153 + ... + 10571.

It is an arithmetic number, because the mean of its divisors is an integer number (6909570).

Almost surely, 2^55214178 is an apocalyptic number.

55214178 is an abundant number, since it is smaller than the sum of its proper divisors (55338942).

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

55214178 is a wasteful number, since it uses less digits than its factorization.

55214178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10401.

The product of its digits is 11200, while the sum is 33.

The square root of 55214178 is about 7430.6243344688. The cubic root of 55214178 is about 380.7882483559.

The spelling of 55214178 in words is "fifty-five million, two hundred fourteen thousand, one hundred seventy-eight".