55302073 has 2 divisors, whose sum is σ = 55302074. Its totient is φ = 55302072.

The previous prime is 55302067. The next prime is 55302083. The reversal of 55302073 is 37020355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53538489 + 1763584 = 7317^2 + 1328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55302073 is a prime.

It is not a weakly prime, because it can be changed into another prime (55302053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27651036 + 27651037.

It is an arithmetic number, because the mean of its divisors is an integer number (27651037).

Almost surely, 2^55302073 is an apocalyptic number.

It is an amenable number.

55302073 is a deficient number, since it is larger than the sum of its proper divisors (1).

55302073 is an equidigital number, since it uses as much as digits as its factorization.

55302073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 55302073 is about 7436.5363577407. The cubic root of 55302073 is about 380.9901991357.

The spelling of 55302073 in words is "fifty-five million, three hundred two thousand, seventy-three".