55230011 has 4 divisors (see below), whose sum is σ = 56722752. Its totient is φ = 53737272.

The previous prime is 55229989. The next prime is 55230013. The reversal of 55230011 is 11003255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11003255 = 5 ⋅2200651.

It is a cyclic number.

It is not a de Polignac number, because 55230011 - 2⁶ = 55229947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55230013) 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, 746315 + ... + 746388.

It is an arithmetic number, because the mean of its divisors is an integer number (14180688).

Almost surely, 2^55230011 is an apocalyptic number.

55230011 is a deficient number, since it is larger than the sum of its proper divisors (1492741).

55230011 is a wasteful number, since it uses less digits than its factorization.

55230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492740.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 55230011 is about 7431.6896463725. The cubic root of 55230011 is about 380.8246426564.

Adding to 55230011 its reverse (11003255), we get a palindrome (66233266).

The spelling of 55230011 in words is "fifty-five million, two hundred thirty thousand, eleven".