55463032129 has 2 divisors, whose sum is σ = 55463032130. Its totient is φ = 55463032128.

The previous prime is 55463032127. The next prime is 55463032147. The reversal of 55463032129 is 92123036455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36343609600 + 19119422529 = 190640^2 + 138273^2 .

It is a cyclic number.

It is not a de Polignac number, because 55463032129 - 2¹ = 55463032127 is a prime.

It is a super-2 number, since 2×55463032129² (a number of 22 digits) contains 22 as substring.

Together with 55463032127, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 55463032091 and 55463032100.

It is not a weakly prime, because it can be changed into another prime (55463032123) 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 as a sum of consecutive naturals, namely, 27731516064 + 27731516065.

It is an arithmetic number, because the mean of its divisors is an integer number (27731516065).

Almost surely, 2^55463032129 is an apocalyptic number.

It is an amenable number.

55463032129 is a deficient number, since it is larger than the sum of its proper divisors (1).

55463032129 is an equidigital number, since it uses as much as digits as its factorization.

55463032129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 55463032129 in words is "fifty-five billion, four hundred sixty-three million, thirty-two thousand, one hundred twenty-nine".