55367129 has 2 divisors, whose sum is σ = 55367130. Its totient is φ = 55367128.

The previous prime is 55367111. The next prime is 55367153. The reversal of 55367129 is 92176355.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27825625 + 27541504 = 5275^2 + 5248^2 .

It is a cyclic number.

It is not a de Polignac number, because 55367129 - 2⁸ = 55366873 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55367092 and 55367101.

It is not a weakly prime, because it can be changed into another prime (55367029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27683564 + 27683565.

It is an arithmetic number, because the mean of its divisors is an integer number (27683565).

Almost surely, 2^55367129 is an apocalyptic number.

It is an amenable number.

55367129 is a deficient number, since it is larger than the sum of its proper divisors (1).

55367129 is an equidigital number, since it uses as much as digits as its factorization.

55367129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 38.

The square root of 55367129 is about 7440.9091514411. The cubic root of 55367129 is about 381.1395364287.

The spelling of 55367129 in words is "fifty-five million, three hundred sixty-seven thousand, one hundred twenty-nine".