53143771 has 2 divisors, whose sum is σ = 53143772. Its totient is φ = 53143770.

The previous prime is 53143763. The next prime is 53143841. The reversal of 53143771 is 17734135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53143771 - 2³ = 53143763 is a prime.

It is a super-2 number, since 2×53143771² = 5648520792200882, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53141771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26571885 + 26571886.

It is an arithmetic number, because the mean of its divisors is an integer number (26571886).

Almost surely, 2^53143771 is an apocalyptic number.

53143771 is a deficient number, since it is larger than the sum of its proper divisors (1).

53143771 is an equidigital number, since it uses as much as digits as its factorization.

53143771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 31.

The square root of 53143771 is about 7289.9774348073. The cubic root of 53143771 is about 375.9679196826.

The spelling of 53143771 in words is "fifty-three million, one hundred forty-three thousand, seven hundred seventy-one".