55442452342129 has 2 divisors, whose sum is σ = 55442452342130. Its totient is φ = 55442452342128.

The previous prime is 55442452342111. The next prime is 55442452342141. The reversal of 55442452342129 is 92124325424455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33311966809104 + 22130485533025 = 5771652^2 + 4704305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55442452342129 is a prime.

It is not a weakly prime, because it can be changed into another prime (55442452342729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27721226171064 + 27721226171065.

It is an arithmetic number, because the mean of its divisors is an integer number (27721226171065).

Almost surely, 2^{55442452342129} is an apocalyptic number.

It is an amenable number.

55442452342129 is a deficient number, since it is larger than the sum of its proper divisors (1).

55442452342129 is an equidigital number, since it uses as much as digits as its factorization.

55442452342129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824000, while the sum is 52.

The spelling of 55442452342129 in words is "fifty-five trillion, four hundred forty-two billion, four hundred fifty-two million, three hundred forty-two thousand, one hundred twenty-nine".