55730366737 has 2 divisors, whose sum is σ = 55730366738. Its totient is φ = 55730366736.

The previous prime is 55730366693. The next prime is 55730366779. The reversal of 55730366737 is 73766303755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48733211536 + 6997155201 = 220756^2 + 83649^2 .

It is a cyclic number.

It is not a de Polignac number, because 55730366737 - 2²⁷ = 55596149009 is a prime.

It is not a weakly prime, because it can be changed into another prime (55730066737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27865183368 + 27865183369.

It is an arithmetic number, because the mean of its divisors is an integer number (27865183369).

Almost surely, 2^55730366737 is an apocalyptic number.

It is an amenable number.

55730366737 is a deficient number, since it is larger than the sum of its proper divisors (1).

55730366737 is an equidigital number, since it uses as much as digits as its factorization.

55730366737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8334900, while the sum is 52.

The spelling of 55730366737 in words is "fifty-five billion, seven hundred thirty million, three hundred sixty-six thousand, seven hundred thirty-seven".