55142411 has 4 divisors (see below), whose sum is σ = 55480872. Its totient is φ = 54803952.

The previous prime is 55142401. The next prime is 55142429. The reversal of 55142411 is 11424155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11424155 = 5 ⋅2284831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55142411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55142401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168986 + ... + 169311.

It is an arithmetic number, because the mean of its divisors is an integer number (13870218).

Almost surely, 2^55142411 is an apocalyptic number.

55142411 is a deficient number, since it is larger than the sum of its proper divisors (338461).

55142411 is a wasteful number, since it uses less digits than its factorization.

55142411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338460.

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

The square root of 55142411 is about 7425.7936276199. The cubic root of 55142411 is about 380.6231948617.

Adding to 55142411 its reverse (11424155), we get a palindrome (66566566).

The spelling of 55142411 in words is "fifty-five million, one hundred forty-two thousand, four hundred eleven".