55450663 has 2 divisors, whose sum is σ = 55450664. Its totient is φ = 55450662.

The previous prime is 55450643. The next prime is 55450709. The reversal of 55450663 is 36605455.

55450663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55450663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55450643) 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, 27725331 + 27725332.

It is an arithmetic number, because the mean of its divisors is an integer number (27725332).

Almost surely, 2^55450663 is an apocalyptic number.

55450663 is a deficient number, since it is larger than the sum of its proper divisors (1).

55450663 is an equidigital number, since it uses as much as digits as its factorization.

55450663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 55450663 is about 7446.5201940235. The cubic root of 55450663 is about 381.3311188852.

The spelling of 55450663 in words is "fifty-five million, four hundred fifty thousand, six hundred sixty-three".