53005277543 has 2 divisors, whose sum is σ = 53005277544. Its totient is φ = 53005277542.

The previous prime is 53005277431. The next prime is 53005277573. The reversal of 53005277543 is 34577250035.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53005277543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53005277543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53005277573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26502638771 + 26502638772.

It is an arithmetic number, because the mean of its divisors is an integer number (26502638772).

Almost surely, 2^53005277543 is an apocalyptic number.

53005277543 is a deficient number, since it is larger than the sum of its proper divisors (1).

53005277543 is an equidigital number, since it uses as much as digits as its factorization.

53005277543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441000, while the sum is 41.

The spelling of 53005277543 in words is "fifty-three billion, five million, two hundred seventy-seven thousand, five hundred forty-three".