55332138871 has 2 divisors, whose sum is σ = 55332138872. Its totient is φ = 55332138870.

The previous prime is 55332138863. The next prime is 55332138889. The reversal of 55332138871 is 17883123355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55332138871 - 2³ = 55332138863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55332138811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27666069435 + 27666069436.

It is an arithmetic number, because the mean of its divisors is an integer number (27666069436).

Almost surely, 2^55332138871 is an apocalyptic number.

55332138871 is a deficient number, since it is larger than the sum of its proper divisors (1).

55332138871 is an equidigital number, since it uses as much as digits as its factorization.

55332138871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 46.

The spelling of 55332138871 in words is "fifty-five billion, three hundred thirty-two million, one hundred thirty-eight thousand, eight hundred seventy-one".