56129299 has 2 divisors, whose sum is σ = 56129300. Its totient is φ = 56129298.

The previous prime is 56129273. The next prime is 56129303. The reversal of 56129299 is 99292165.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56129299 - 2²³ = 47740691 is a prime.

It is not a weakly prime, because it can be changed into another prime (56129599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28064649 + 28064650.

It is an arithmetic number, because the mean of its divisors is an integer number (28064650).

Almost surely, 2^56129299 is an apocalyptic number.

56129299 is a deficient number, since it is larger than the sum of its proper divisors (1).

56129299 is an equidigital number, since it uses as much as digits as its factorization.

56129299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 43.

The square root of 56129299 is about 7491.9489453680. The cubic root of 56129299 is about 382.8804627101.

The spelling of 56129299 in words is "fifty-six million, one hundred twenty-nine thousand, two hundred ninety-nine".