55005737 has 2 divisors, whose sum is σ = 55005738. Its totient is φ = 55005736.

The previous prime is 55005701. The next prime is 55005751. The reversal of 55005737 is 73750055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49336576 + 5669161 = 7024^2 + 2381^2 .

It is a cyclic number.

It is not a de Polignac number, because 55005737 - 2⁸ = 55005481 is a prime.

It is a super-2 number, since 2×55005737² = 6051262205826338, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55005037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27502868 + 27502869.

It is an arithmetic number, because the mean of its divisors is an integer number (27502869).

Almost surely, 2^55005737 is an apocalyptic number.

It is an amenable number.

55005737 is a deficient number, since it is larger than the sum of its proper divisors (1).

55005737 is an equidigital number, since it uses as much as digits as its factorization.

55005737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18375, while the sum is 32.

The square root of 55005737 is about 7416.5852654709. The cubic root of 55005737 is about 380.3084683669.

The spelling of 55005737 in words is "fifty-five million, five thousand, seven hundred thirty-seven".