55214143 has 4 divisors (see below), whose sum is σ = 56388960. Its totient is φ = 54039328.

The previous prime is 55214141. The next prime is 55214153. The reversal of 55214143 is 34141255.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55214143 - 2¹ = 55214141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55214141) 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, 587338 + ... + 587431.

It is an arithmetic number, because the mean of its divisors is an integer number (14097240).

Almost surely, 2^55214143 is an apocalyptic number.

55214143 is a deficient number, since it is larger than the sum of its proper divisors (1174817).

55214143 is a wasteful number, since it uses less digits than its factorization.

55214143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174816.

The product of its digits is 2400, while the sum is 25.

The square root of 55214143 is about 7430.6219793500. The cubic root of 55214143 is about 380.7881678960.

Adding to 55214143 its reverse (34141255), we get a palindrome (89355398).

The spelling of 55214143 in words is "fifty-five million, two hundred fourteen thousand, one hundred forty-three".