55214401 has 4 divisors (see below), whose sum is σ = 60233904. Its totient is φ = 50194900.

The previous prime is 55214389. The next prime is 55214407. The reversal of 55214401 is 10441255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55214401 - 2¹³ = 55206209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55214407) 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, 2509735 + ... + 2509756.

It is an arithmetic number, because the mean of its divisors is an integer number (15058476).

Almost surely, 2^55214401 is an apocalyptic number.

It is an amenable number.

55214401 is a deficient number, since it is larger than the sum of its proper divisors (5019503).

55214401 is a wasteful number, since it uses less digits than its factorization.

55214401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019502.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 55214401 is about 7430.6393399222. The cubic root of 55214401 is about 380.7887610000.

Adding to 55214401 its reverse (10441255), we get a palindrome (65655656).

The spelling of 55214401 in words is "fifty-five million, two hundred fourteen thousand, four hundred one".