53908415543 has 2 divisors, whose sum is σ = 53908415544. Its totient is φ = 53908415542.

The previous prime is 53908415527. The next prime is 53908415599. The reversal of 53908415543 is 34551480935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53908415543 - 2⁴ = 53908415527 is a prime.

It is a super-2 number, since 2×53908415543² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53908412543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26954207771 + 26954207772.

It is an arithmetic number, because the mean of its divisors is an integer number (26954207772).

Almost surely, 2^53908415543 is an apocalyptic number.

53908415543 is a deficient number, since it is larger than the sum of its proper divisors (1).

53908415543 is an equidigital number, since it uses as much as digits as its factorization.

53908415543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 53908415543 in words is "fifty-three billion, nine hundred eight million, four hundred fifteen thousand, five hundred forty-three".