53125599493 has 2 divisors, whose sum is σ = 53125599494. Its totient is φ = 53125599492.

The previous prime is 53125599469. The next prime is 53125599523. The reversal of 53125599493 is 39499552135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43177930849 + 9947668644 = 207793^2 + 99738^2 .

It is a cyclic number.

It is not a de Polignac number, because 53125599493 - 2¹³ = 53125591301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53125599413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26562799746 + 26562799747.

It is an arithmetic number, because the mean of its divisors is an integer number (26562799747).

Almost surely, 2^53125599493 is an apocalyptic number.

It is an amenable number.

53125599493 is a deficient number, since it is larger than the sum of its proper divisors (1).

53125599493 is an equidigital number, since it uses as much as digits as its factorization.

53125599493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6561000, while the sum is 55.

The spelling of 53125599493 in words is "fifty-three billion, one hundred twenty-five million, five hundred ninety-nine thousand, four hundred ninety-three".