55706429 has 2 divisors, whose sum is σ = 55706430. Its totient is φ = 55706428.

The previous prime is 55706407. The next prime is 55706479. The reversal of 55706429 is 92460755.

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., 45292900 + 10413529 = 6730^2 + 3227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55706429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55706392 and 55706401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55706479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27853214 + 27853215.

It is an arithmetic number, because the mean of its divisors is an integer number (27853215).

Almost surely, 2^55706429 is an apocalyptic number.

It is an amenable number.

55706429 is a deficient number, since it is larger than the sum of its proper divisors (1).

55706429 is an equidigital number, since it uses as much as digits as its factorization.

55706429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 55706429 is about 7463.6739612606. The cubic root of 55706429 is about 381.9165159339.

The spelling of 55706429 in words is "fifty-five million, seven hundred six thousand, four hundred twenty-nine".