53430427 has 2 divisors, whose sum is σ = 53430428. Its totient is φ = 53430426.

The previous prime is 53430409. The next prime is 53430437. The reversal of 53430427 is 72403435.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53430427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53430395 and 53430404.

It is not a weakly prime, because it can be changed into another prime (53430437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26715213 + 26715214.

It is an arithmetic number, because the mean of its divisors is an integer number (26715214).

Almost surely, 2^53430427 is an apocalyptic number.

53430427 is a deficient number, since it is larger than the sum of its proper divisors (1).

53430427 is an equidigital number, since it uses as much as digits as its factorization.

53430427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 53430427 is about 7309.6119596050. The cubic root of 53430427 is about 376.6426946744.

The spelling of 53430427 in words is "fifty-three million, four hundred thirty thousand, four hundred twenty-seven".