53028538526881 has 4 divisors (see below), whose sum is σ = 53028630835092. Its totient is φ = 53028446218672.

The previous prime is 53028538526861. The next prime is 53028538526893. The reversal of 53028538526881 is 18862583582035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37371947827600 + 15656590699281 = 6113260^2 + 3956841^2 .

It is a cyclic number.

It is not a de Polignac number, because 53028538526881 - 2³¹ = 53026391043233 is a prime.

It is a super-2 number, since 2×53028538526881² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53028538526801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45286966 + ... + 46443151.

It is an arithmetic number, because the mean of its divisors is an integer number (13257157708773).

Almost surely, 2^{53028538526881} is an apocalyptic number.

It is an amenable number.

53028538526881 is a deficient number, since it is larger than the sum of its proper divisors (92308211).

53028538526881 is an equidigital number, since it uses as much as digits as its factorization.

53028538526881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92308210.

The product of its (nonzero) digits is 110592000, while the sum is 64.

The spelling of 53028538526881 in words is "fifty-three trillion, twenty-eight billion, five hundred thirty-eight million, five hundred twenty-six thousand, eight hundred eighty-one".