53472319447 has 2 divisors, whose sum is σ = 53472319448. Its totient is φ = 53472319446.

The previous prime is 53472319409. The next prime is 53472319487. The reversal of 53472319447 is 74491327435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53472319447 - 2³¹ = 51324835799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53472319447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53472319487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26736159723 + 26736159724.

It is an arithmetic number, because the mean of its divisors is an integer number (26736159724).

Almost surely, 2^53472319447 is an apocalyptic number.

53472319447 is a deficient number, since it is larger than the sum of its proper divisors (1).

53472319447 is an equidigital number, since it uses as much as digits as its factorization.

53472319447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 49.

The spelling of 53472319447 in words is "fifty-three billion, four hundred seventy-two million, three hundred nineteen thousand, four hundred forty-seven".