55290000239 has 2 divisors, whose sum is σ = 55290000240. Its totient is φ = 55290000238.

The previous prime is 55290000229. The next prime is 55290000251. The reversal of 55290000239 is 93200009255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55290000239 - 2⁸ = 55289999983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55290000199 and 55290000208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55290000229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27645000119 + 27645000120.

It is an arithmetic number, because the mean of its divisors is an integer number (27645000120).

Almost surely, 2^55290000239 is an apocalyptic number.

55290000239 is a deficient number, since it is larger than the sum of its proper divisors (1).

55290000239 is an equidigital number, since it uses as much as digits as its factorization.

55290000239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 35.

The spelling of 55290000239 in words is "fifty-five billion, two hundred ninety million, two hundred thirty-nine", and thus it is an aban number.