53430613 has 4 divisors (see below), whose sum is σ = 53512108. Its totient is φ = 53349120.

The previous prime is 53430599. The next prime is 53430647. The reversal of 53430613 is 31603435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31603435 = 5 ⋅6320687.

It can be written as a sum of positive squares in 2 ways, for example, as 35129329 + 18301284 = 5927^2 + 4278^2 .

It is a cyclic number.

It is not a de Polignac number, because 53430613 - 2⁹ = 53430101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53430653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39756 + ... + 41077.

It is an arithmetic number, because the mean of its divisors is an integer number (13378027).

Almost surely, 2^53430613 is an apocalyptic number.

It is an amenable number.

53430613 is a deficient number, since it is larger than the sum of its proper divisors (81495).

53430613 is an equidigital number, since it uses as much as digits as its factorization.

53430613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81494.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 53430613 is about 7309.6246825675. The cubic root of 53430613 is about 376.6431317254.

The spelling of 53430613 in words is "fifty-three million, four hundred thirty thousand, six hundred thirteen".