53430697 has 2 divisors, whose sum is σ = 53430698. Its totient is φ = 53430696.

The previous prime is 53430661. The next prime is 53430709. The reversal of 53430697 is 79603435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53421481 + 9216 = 7309^2 + 96^2 .

It is a cyclic number.

It is not a de Polignac number, because 53430697 - 2²³ = 45042089 is a prime.

It is not a weakly prime, because it can be changed into another prime (53430647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26715348 + 26715349.

It is an arithmetic number, because the mean of its divisors is an integer number (26715349).

Almost surely, 2^53430697 is an apocalyptic number.

It is an amenable number.

53430697 is a deficient number, since it is larger than the sum of its proper divisors (1).

53430697 is an equidigital number, since it uses as much as digits as its factorization.

53430697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 53430697 is about 7309.6304284143. The cubic root of 53430697 is about 376.6433291029.

The spelling of 53430697 in words is "fifty-three million, four hundred thirty thousand, six hundred ninety-seven".