55338497 has 2 divisors, whose sum is σ = 55338498. Its totient is φ = 55338496.

The previous prime is 55338443. The next prime is 55338499. The reversal of 55338497 is 79483355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46362481 + 8976016 = 6809^2 + 2996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55338497 is a prime.

Together with 55338499, 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 (55338499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27669248 + 27669249.

It is an arithmetic number, because the mean of its divisors is an integer number (27669249).

Almost surely, 2^55338497 is an apocalyptic number.

It is an amenable number.

55338497 is a deficient number, since it is larger than the sum of its proper divisors (1).

55338497 is an equidigital number, since it uses as much as digits as its factorization.

55338497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 44.

The square root of 55338497 is about 7438.9849441977. The cubic root of 55338497 is about 381.0738255454.

The spelling of 55338497 in words is "fifty-five million, three hundred thirty-eight thousand, four hundred ninety-seven".