53443444434407 has 2 divisors, whose sum is σ = 53443444434408. Its totient is φ = 53443444434406.

The previous prime is 53443444434349. The next prime is 53443444434551. The reversal of 53443444434407 is 70443444434435.

53443444434407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53443444434407 - 2³² = 53439149467111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53443444430407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26721722217203 + 26721722217204.

It is an arithmetic number, because the mean of its divisors is an integer number (26721722217204).

Almost surely, 2^{53443444434407} is an apocalyptic number.

53443444434407 is a deficient number, since it is larger than the sum of its proper divisors (1).

53443444434407 is an equidigital number, since it uses as much as digits as its factorization.

53443444434407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61931520, while the sum is 53.

The spelling of 53443444434407 in words is "fifty-three trillion, four hundred forty-three billion, four hundred forty-four million, four hundred thirty-four thousand, four hundred seven".