55023805439 has 2 divisors, whose sum is σ = 55023805440. Its totient is φ = 55023805438.

The previous prime is 55023805423. The next prime is 55023805483. The reversal of 55023805439 is 93450832055.

It is an a-pointer prime, because the next prime (55023805483) can be obtained adding 55023805439 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55023805439 - 2⁴ = 55023805423 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55023805439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55023805489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27511902719 + 27511902720.

It is an arithmetic number, because the mean of its divisors is an integer number (27511902720).

Almost surely, 2^55023805439 is an apocalyptic number.

55023805439 is a deficient number, since it is larger than the sum of its proper divisors (1).

55023805439 is an equidigital number, since it uses as much as digits as its factorization.

55023805439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 55023805439 in words is "fifty-five billion, twenty-three million, eight hundred five thousand, four hundred thirty-nine".