53328073 has 2 divisors, whose sum is σ = 53328074. Its totient is φ = 53328072.

The previous prime is 53328059. The next prime is 53328083. The reversal of 53328073 is 37082335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45050944 + 8277129 = 6712^2 + 2877^2 .

It is a cyclic number.

It is not a de Polignac number, because 53328073 - 2¹³ = 53319881 is a prime.

It is not a weakly prime, because it can be changed into another prime (53328043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26664036 + 26664037.

It is an arithmetic number, because the mean of its divisors is an integer number (26664037).

Almost surely, 2^53328073 is an apocalyptic number.

It is an amenable number.

53328073 is a deficient number, since it is larger than the sum of its proper divisors (1).

53328073 is an equidigital number, since it uses as much as digits as its factorization.

53328073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 53328073 is about 7302.6072741179. The cubic root of 53328073 is about 376.4020357375.

The spelling of 53328073 in words is "fifty-three million, three hundred twenty-eight thousand, seventy-three".