55041878 has 16 divisors (see below), whose sum is σ = 84416256. Its totient is φ = 26906880.

The previous prime is 55041871. The next prime is 55041901. The reversal of 55041878 is 87814055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55041871) 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 7 ways as a sum of consecutive naturals, for example, 36683 + ... + 38153.

It is an arithmetic number, because the mean of its divisors is an integer number (5276016).

Almost surely, 2^55041878 is an apocalyptic number.

55041878 is a deficient number, since it is larger than the sum of its proper divisors (29374378).

55041878 is a wasteful number, since it uses less digits than its factorization.

55041878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 55041878 is about 7419.0213640345. The cubic root of 55041878 is about 380.3917428271.

The spelling of 55041878 in words is "fifty-five million, forty-one thousand, eight hundred seventy-eight".