55742299 has 2 divisors, whose sum is σ = 55742300. Its totient is φ = 55742298.

The previous prime is 55742293. The next prime is 55742339. The reversal of 55742299 is 99224755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55742299 - 2⁹ = 55741787 is a prime.

It is not a weakly prime, because it can be changed into another prime (55742293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27871149 + 27871150.

It is an arithmetic number, because the mean of its divisors is an integer number (27871150).

Almost surely, 2^55742299 is an apocalyptic number.

55742299 is a deficient number, since it is larger than the sum of its proper divisors (1).

55742299 is an equidigital number, since it uses as much as digits as its factorization.

55742299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The square root of 55742299 is about 7466.0765466207. The cubic root of 55742299 is about 381.9984718011.

The spelling of 55742299 in words is "fifty-five million, seven hundred forty-two thousand, two hundred ninety-nine".