55736497 has 2 divisors, whose sum is σ = 55736498. Its totient is φ = 55736496.

The previous prime is 55736479. The next prime is 55736503. The reversal of 55736497 is 79463755.

55736497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (55736479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47665216 + 8071281 = 6904^2 + 2841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55736497 is a prime.

It is not a weakly prime, because it can be changed into another prime (55730497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27868248 + 27868249.

It is an arithmetic number, because the mean of its divisors is an integer number (27868249).

Almost surely, 2^55736497 is an apocalyptic number.

It is an amenable number.

55736497 is a deficient number, since it is larger than the sum of its proper divisors (1).

55736497 is an equidigital number, since it uses as much as digits as its factorization.

55736497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 793800, while the sum is 46.

The square root of 55736497 is about 7465.6879790144. The cubic root of 55736497 is about 381.9852177608.

The spelling of 55736497 in words is "fifty-five million, seven hundred thirty-six thousand, four hundred ninety-seven".