55510361 has 2 divisors, whose sum is σ = 55510362. Its totient is φ = 55510360.

The previous prime is 55510349. The next prime is 55510363. The reversal of 55510361 is 16301555.

55510361 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., 38204761 + 17305600 = 6181^2 + 4160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55510361 is a prime.

Together with 55510363, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55510361.

It is not a weakly prime, because it can be changed into another prime (55510363) 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, 27755180 + 27755181.

It is an arithmetic number, because the mean of its divisors is an integer number (27755181).

Almost surely, 2^55510361 is an apocalyptic number.

It is an amenable number.

55510361 is a deficient number, since it is larger than the sum of its proper divisors (1).

55510361 is an equidigital number, since it uses as much as digits as its factorization.

55510361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 55510361 is about 7450.5275652131. The cubic root of 55510361 is about 381.4679164113.

The spelling of 55510361 in words is "fifty-five million, five hundred ten thousand, three hundred sixty-one".