55065137 has 2 divisors, whose sum is σ = 55065138. Its totient is φ = 55065136.

The previous prime is 55065103. The next prime is 55065169. The reversal of 55065137 is 73156055.

It is an a-pointer prime, because the next prime (55065169) can be obtained adding 55065137 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28398241 + 26666896 = 5329^2 + 5164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55065137 is a prime.

It is not a weakly prime, because it can be changed into another prime (55065187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27532568 + 27532569.

It is an arithmetic number, because the mean of its divisors is an integer number (27532569).

Almost surely, 2^55065137 is an apocalyptic number.

It is an amenable number.

55065137 is a deficient number, since it is larger than the sum of its proper divisors (1).

55065137 is an equidigital number, since it uses as much as digits as its factorization.

55065137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 55065137 is about 7420.5887232753. The cubic root of 55065137 is about 380.4453158878.

The spelling of 55065137 in words is "fifty-five million, sixty-five thousand, one hundred thirty-seven".