53430017 has 2 divisors, whose sum is σ = 53430018. Its totient is φ = 53430016.

The previous prime is 53430001. The next prime is 53430029. The reversal of 53430017 is 71003435.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47665216 + 5764801 = 6904^2 + 2401^2 .

It is a cyclic number.

It is not a de Polignac number, because 53430017 - 2⁴ = 53430001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53429974 and 53430001.

It is not a weakly prime, because it can be changed into another prime (53430077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26715008 + 26715009.

It is an arithmetic number, because the mean of its divisors is an integer number (26715009).

Almost surely, 2^53430017 is an apocalyptic number.

It is an amenable number.

53430017 is a deficient number, since it is larger than the sum of its proper divisors (1).

53430017 is an equidigital number, since it uses as much as digits as its factorization.

53430017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 53430017 is about 7309.5839142868. The cubic root of 53430017 is about 376.6417312789.

The spelling of 53430017 in words is "fifty-three million, four hundred thirty thousand, seventeen".