55578814 has 16 divisors (see below), whose sum is σ = 88452000. Its totient is φ = 26101504.

The previous prime is 55578799. The next prime is 55578823. The reversal of 55578814 is 41887555.

It is a congruent number.

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, 19002 + ... + 21730.

It is an arithmetic number, because the mean of its divisors is an integer number (5528250).

Almost surely, 2^55578814 is an apocalyptic number.

55578814 is a deficient number, since it is larger than the sum of its proper divisors (32873186).

55578814 is a wasteful number, since it uses less digits than its factorization.

55578814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347.

The product of its digits is 224000, while the sum is 43.

The square root of 55578814 is about 7455.1199856206. The cubic root of 55578814 is about 381.6246553005.

The spelling of 55578814 in words is "fifty-five million, five hundred seventy-eight thousand, eight hundred fourteen".