55329299 has 2 divisors, whose sum is σ = 55329300. Its totient is φ = 55329298.

The previous prime is 55329259. The next prime is 55329301. The reversal of 55329299 is 99292355.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55329299 - 2¹² = 55325203 is a prime.

It is a super-2 number, since 2×55329299² = 6122662655662802, which contains 22 as substring.

Together with 55329301, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55329259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27664649 + 27664650.

It is an arithmetic number, because the mean of its divisors is an integer number (27664650).

Almost surely, 2^55329299 is an apocalyptic number.

55329299 is a deficient number, since it is larger than the sum of its proper divisors (1).

55329299 is an equidigital number, since it uses as much as digits as its factorization.

55329299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 218700, while the sum is 44.

The square root of 55329299 is about 7438.3666889983. The cubic root of 55329299 is about 381.0527111829.

The spelling of 55329299 in words is "fifty-five million, three hundred twenty-nine thousand, two hundred ninety-nine".