53500204543 has 2 divisors, whose sum is σ = 53500204544. Its totient is φ = 53500204542.

The previous prime is 53500204489. The next prime is 53500204561. The reversal of 53500204543 is 34540200535.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53500204543 - 2⁹ = 53500204031 is a prime.

It is a super-2 number, since 2×53500204543² (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 (53500804543) 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, 26750102271 + 26750102272.

It is an arithmetic number, because the mean of its divisors is an integer number (26750102272).

Almost surely, 2^53500204543 is an apocalyptic number.

53500204543 is a deficient number, since it is larger than the sum of its proper divisors (1).

53500204543 is an equidigital number, since it uses as much as digits as its factorization.

53500204543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 31.

The spelling of 53500204543 in words is "fifty-three billion, five hundred million, two hundred four thousand, five hundred forty-three".