53125599481 has 4 divisors (see below), whose sum is σ = 54561426532. Its totient is φ = 51689772432.

The previous prime is 53125599469. The next prime is 53125599493. The reversal of 53125599481 is 18499552135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18499552135 = 5 ⋅3699910427.

It is an interprime number because it is at equal distance from previous prime (53125599469) and next prime (53125599493).

It can be written as a sum of positive squares in 2 ways, for example, as 32349259881 + 20776339600 = 179859^2 + 144140^2 .

It is a cyclic number.

It is not a de Polignac number, because 53125599481 - 2⁷ = 53125599353 is a prime.

It is a super-2 number, since 2×53125599481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53125599421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717913470 + ... + 717913543.

It is an arithmetic number, because the mean of its divisors is an integer number (13640356633).

Almost surely, 2^53125599481 is an apocalyptic number.

It is an amenable number.

53125599481 is a deficient number, since it is larger than the sum of its proper divisors (1435827051).

53125599481 is a wasteful number, since it uses less digits than its factorization.

53125599481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435827050.

The product of its digits is 1944000, while the sum is 52.

The spelling of 53125599481 in words is "fifty-three billion, one hundred twenty-five million, five hundred ninety-nine thousand, four hundred eighty-one".