53277143 has 2 divisors, whose sum is σ = 53277144. Its totient is φ = 53277142.

The previous prime is 53277113. The next prime is 53277149. The reversal of 53277143 is 34177235.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53277143 is a prime.

It is a Chen prime.

It is equal to p_3185663 and since 53277143 and 3185663 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53277149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26638571 + 26638572.

It is an arithmetic number, because the mean of its divisors is an integer number (26638572).

Almost surely, 2^53277143 is an apocalyptic number.

53277143 is a deficient number, since it is larger than the sum of its proper divisors (1).

53277143 is an equidigital number, since it uses as much as digits as its factorization.

53277143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 32.

The square root of 53277143 is about 7299.1193304398. The cubic root of 53277143 is about 376.2821722801.

The spelling of 53277143 in words is "fifty-three million, two hundred seventy-seven thousand, one hundred forty-three".