55340137 has 2 divisors, whose sum is σ = 55340138. Its totient is φ = 55340136.

The previous prime is 55340113. The next prime is 55340143. The reversal of 55340137 is 73104355.

55340137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40717161 + 14622976 = 6381^2 + 3824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55340137 is a prime.

It is not a weakly prime, because it can be changed into another prime (55340147) 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, 27670068 + 27670069.

It is an arithmetic number, because the mean of its divisors is an integer number (27670069).

Almost surely, 2^55340137 is an apocalyptic number.

It is an amenable number.

55340137 is a deficient number, since it is larger than the sum of its proper divisors (1).

55340137 is an equidigital number, since it uses as much as digits as its factorization.

55340137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 55340137 is about 7439.0951734737. The cubic root of 55340137 is about 381.0775899827.

The spelling of 55340137 in words is "fifty-five million, three hundred forty thousand, one hundred thirty-seven".