55338383129 has 16 divisors (see below), whose sum is σ = 56905113600. Its totient is φ = 53788386960.

The previous prime is 55338383117. The next prime is 55338383147. The reversal of 55338383129 is 92138383355.

It is a cyclic number.

It is not a de Polignac number, because 55338383129 - 2³² = 51043415833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55338383029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18377234 + ... + 18380244.

It is an arithmetic number, because the mean of its divisors is an integer number (3556569600).

Almost surely, 2^55338383129 is an apocalyptic number.

It is an amenable number.

55338383129 is a deficient number, since it is larger than the sum of its proper divisors (1566730471).

55338383129 is a wasteful number, since it uses less digits than its factorization.

55338383129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5620.

The product of its digits is 2332800, while the sum is 50.

The spelling of 55338383129 in words is "fifty-five billion, three hundred thirty-eight million, three hundred eighty-three thousand, one hundred twenty-nine".