54780178 has 16 divisors (see below), whose sum is σ = 83623680. Its totient is φ = 26910000.

The previous prime is 54780163. The next prime is 54780197. The reversal of 54780178 is 87108745.

It is a self number, because there is not a number n which added to its sum of digits gives 54780178.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27103 + ... + 29053.

It is an arithmetic number, because the mean of its divisors is an integer number (5226480).

Almost surely, 2^54780178 is an apocalyptic number.

54780178 is a deficient number, since it is larger than the sum of its proper divisors (28843502).

54780178 is a wasteful number, since it uses less digits than its factorization.

54780178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 54780178 is about 7401.3632528069. The cubic root of 54780178 is about 379.7879195163.

The spelling of 54780178 in words is "fifty-four million, seven hundred eighty thousand, one hundred seventy-eight".