53140020443 has 2 divisors, whose sum is σ = 53140020444. Its totient is φ = 53140020442.

The previous prime is 53140020421. The next prime is 53140020547. The reversal of 53140020443 is 34402004135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53140020443 - 2¹⁰ = 53140019419 is a prime.

It is not a weakly prime, because it can be changed into another prime (53140020643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26570010221 + 26570010222.

It is an arithmetic number, because the mean of its divisors is an integer number (26570010222).

Almost surely, 2^53140020443 is an apocalyptic number.

53140020443 is a deficient number, since it is larger than the sum of its proper divisors (1).

53140020443 is an equidigital number, since it uses as much as digits as its factorization.

53140020443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 53140020443 its reverse (34402004135), we get a palindrome (87542024578).

The spelling of 53140020443 in words is "fifty-three billion, one hundred forty million, twenty thousand, four hundred forty-three".