55414478 has 8 divisors (see below), whose sum is σ = 94996272. Its totient is φ = 23749056.

The previous prime is 55414439. The next prime is 55414483. The reversal of 55414478 is 87441455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1979075 + ... + 1979102.

It is an arithmetic number, because the mean of its divisors is an integer number (11874534).

Almost surely, 2^55414478 is an apocalyptic number.

55414478 is a deficient number, since it is larger than the sum of its proper divisors (39581794).

55414478 is a wasteful number, since it uses less digits than its factorization.

55414478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958186.

The product of its digits is 89600, while the sum is 38.

The square root of 55414478 is about 7444.0901391641. The cubic root of 55414478 is about 381.2481534265.

It can be divided in two parts, 5541447 and 8, that added together give a palindrome (5541455).

The spelling of 55414478 in words is "fifty-five million, four hundred fourteen thousand, four hundred seventy-eight".