53142347 has 2 divisors, whose sum is σ = 53142348. Its totient is φ = 53142346.

The previous prime is 53142337. The next prime is 53142359. The reversal of 53142347 is 74324135.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53142347 - 2⁶ = 53142283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53142317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26571173 + 26571174.

It is an arithmetic number, because the mean of its divisors is an integer number (26571174).

Almost surely, 2^53142347 is an apocalyptic number.

53142347 is a deficient number, since it is larger than the sum of its proper divisors (1).

53142347 is an equidigital number, since it uses as much as digits as its factorization.

53142347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 29.

The square root of 53142347 is about 7289.8797658123. The cubic root of 53142347 is about 375.9645616027.

The spelling of 53142347 in words is "fifty-three million, one hundred forty-two thousand, three hundred forty-seven".