53640143047 has 2 divisors, whose sum is σ = 53640143048. Its totient is φ = 53640143046.

The previous prime is 53640143021. The next prime is 53640143069. The reversal of 53640143047 is 74034104635.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53640143047 - 2¹⁹ = 53639618759 is a prime.

It is a super-2 number, since 2×53640143047² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53640142997 and 53640143015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53640143017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26820071523 + 26820071524.

It is an arithmetic number, because the mean of its divisors is an integer number (26820071524).

Almost surely, 2^53640143047 is an apocalyptic number.

53640143047 is a deficient number, since it is larger than the sum of its proper divisors (1).

53640143047 is an equidigital number, since it uses as much as digits as its factorization.

53640143047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 53640143047 in words is "fifty-three billion, six hundred forty million, one hundred forty-three thousand, forty-seven".