55214378 has 8 divisors (see below), whose sum is σ = 84583872. Its totient is φ = 27019756.

The previous prime is 55214371. The next prime is 55214381. The reversal of 55214378 is 87341255.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (55214371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293600 + ... + 293787.

It is an arithmetic number, because the mean of its divisors is an integer number (10572984).

Almost surely, 2^55214378 is an apocalyptic number.

55214378 is a deficient number, since it is larger than the sum of its proper divisors (29369494).

55214378 is a wasteful number, since it uses less digits than its factorization.

55214378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587436.

The product of its digits is 33600, while the sum is 35.

The square root of 55214378 is about 7430.6377922760. The cubic root of 55214378 is about 380.7887081265.

The spelling of 55214378 in words is "fifty-five million, two hundred fourteen thousand, three hundred seventy-eight".