53540352443 has 2 divisors, whose sum is σ = 53540352444. Its totient is φ = 53540352442.

The previous prime is 53540352401. The next prime is 53540352451. The reversal of 53540352443 is 34425304535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53540352443 - 2²² = 53536158139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53540352397 and 53540352406.

It is not a weakly prime, because it can be changed into another prime (53540352493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26770176221 + 26770176222.

It is an arithmetic number, because the mean of its divisors is an integer number (26770176222).

Almost surely, 2^53540352443 is an apocalyptic number.

53540352443 is a deficient number, since it is larger than the sum of its proper divisors (1).

53540352443 is an equidigital number, since it uses as much as digits as its factorization.

53540352443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 53540352443 its reverse (34425304535), we get a palindrome (87965656978).

The spelling of 53540352443 in words is "fifty-three billion, five hundred forty million, three hundred fifty-two thousand, four hundred forty-three".