52826885281 has 3 divisors (see below), whose sum is σ = 52827115123. Its totient is φ = 52826655440.

The previous prime is 52826885269. The next prime is 52826885303. The reversal of 52826885281 is 18258862825.

The square root of 52826885281 is 229841.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 52459779681 + 367105600 = 229041^2 + 19160^2 .

It is not a de Polignac number, because 52826885281 - 2²¹ = 52824788129 is a prime.

It is a super-2 number, since 2×52826885281² (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 (52826885981) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 114921 + ... + 344761.

Almost surely, 2^52826885281 is an apocalyptic number.

52826885281 is the 229841-st square number.

52826885281 is the 114921-st centered octagonal number.

It is an amenable number.

52826885281 is a deficient number, since it is larger than the sum of its proper divisors (229842).

52826885281 is an frugal number, since it uses more digits than its factorization.

52826885281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459682 (or 229841 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 55.

The spelling of 52826885281 in words is "fifty-two billion, eight hundred twenty-six million, eight hundred eighty-five thousand, two hundred eighty-one".