55376129 has 2 divisors, whose sum is σ = 55376130. Its totient is φ = 55376128.

The previous prime is 55376107. The next prime is 55376141. The reversal of 55376129 is 92167355.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42250000 + 13126129 = 6500^2 + 3623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55376129 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55376092 and 55376101.

It is not a weakly prime, because it can be changed into another prime (55376929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27688064 + 27688065.

It is an arithmetic number, because the mean of its divisors is an integer number (27688065).

Almost surely, 2^55376129 is an apocalyptic number.

It is an amenable number.

55376129 is a deficient number, since it is larger than the sum of its proper divisors (1).

55376129 is an equidigital number, since it uses as much as digits as its factorization.

55376129 is an evil number, because the sum of its binary digits is even.

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

The square root of 55376129 is about 7441.5138916755. The cubic root of 55376129 is about 381.1601868883.

The spelling of 55376129 in words is "fifty-five million, three hundred seventy-six thousand, one hundred twenty-nine".