55114421 has 8 divisors (see below), whose sum is σ = 58246080. Its totient is φ = 52005888.

The previous prime is 55114403. The next prime is 55114427. The reversal of 55114421 is 12441155.

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

It is not a de Polignac number, because 55114421 - 2¹⁸ = 54852277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55114427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761 + ... + 10526.

It is an arithmetic number, because the mean of its divisors is an integer number (7280760).

Almost surely, 2^55114421 is an apocalyptic number.

It is an amenable number.

55114421 is a deficient number, since it is larger than the sum of its proper divisors (3131659).

55114421 is a wasteful number, since it uses less digits than its factorization.

55114421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11563.

The product of its digits is 800, while the sum is 23.

The square root of 55114421 is about 7423.9087413572. The cubic root of 55114421 is about 380.5587831798.

Adding to 55114421 its reverse (12441155), we get a palindrome (67555576).

The spelling of 55114421 in words is "fifty-five million, one hundred fourteen thousand, four hundred twenty-one".