55601737 has 2 divisors, whose sum is σ = 55601738. Its totient is φ = 55601736.

The previous prime is 55601669. The next prime is 55601753. The reversal of 55601737 is 73710655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55591936 + 9801 = 7456^2 + 99^2 .

It is a cyclic number.

It is not a de Polignac number, because 55601737 - 2¹¹ = 55599689 is a prime.

It is not a weakly prime, because it can be changed into another prime (55601797) 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, 27800868 + 27800869.

It is an arithmetic number, because the mean of its divisors is an integer number (27800869).

Almost surely, 2^55601737 is an apocalyptic number.

It is an amenable number.

55601737 is a deficient number, since it is larger than the sum of its proper divisors (1).

55601737 is an equidigital number, since it uses as much as digits as its factorization.

55601737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 55601737 is about 7456.6572269349. The cubic root of 55601737 is about 381.6771140160.

The spelling of 55601737 in words is "fifty-five million, six hundred one thousand, seven hundred thirty-seven".