55200239 has 2 divisors, whose sum is σ = 55200240. Its totient is φ = 55200238.

The previous prime is 55200209. The next prime is 55200269. The reversal of 55200239 is 93200255.

It is a balanced prime because it is at equal distance from previous prime (55200209) and next prime (55200269).

It is a cyclic number.

It is not a de Polignac number, because 55200239 - 2⁸ = 55199983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55200209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27600119 + 27600120.

It is an arithmetic number, because the mean of its divisors is an integer number (27600120).

Almost surely, 2^55200239 is an apocalyptic number.

55200239 is a deficient number, since it is larger than the sum of its proper divisors (1).

55200239 is an equidigital number, since it uses as much as digits as its factorization.

55200239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 55200239 is about 7429.6863325446. The cubic root of 55200239 is about 380.7562019124.

The spelling of 55200239 in words is "fifty-five million, two hundred thousand, two hundred thirty-nine".