55947299 has 2 divisors, whose sum is σ = 55947300. Its totient is φ = 55947298.

The previous prime is 55947263. The next prime is 55947313. The reversal of 55947299 is 99274955.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55947299 - 2¹² = 55943203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55947239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27973649 + 27973650.

It is an arithmetic number, because the mean of its divisors is an integer number (27973650).

Almost surely, 2^55947299 is an apocalyptic number.

55947299 is a deficient number, since it is larger than the sum of its proper divisors (1).

55947299 is an equidigital number, since it uses as much as digits as its factorization.

55947299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 50.

The square root of 55947299 is about 7479.7927110315. The cubic root of 55947299 is about 382.4661829502.

The spelling of 55947299 in words is "fifty-five million, nine hundred forty-seven thousand, two hundred ninety-nine".