52776558133249 has 4 divisors (see below), whose sum is σ = 52776969252436. Its totient is φ = 52776147014064.

The previous prime is 52776558133177. The next prime is 52776558133303. The reversal of 52776558133249 is 94233185567725.

52776558133249 = 4194303² + 4194304² + 4194305².

It is a happy number.

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 20867537610000 + 31909020523249 = 4568100^2 + 5648807^2 .

It is a cyclic number.

It is not a de Polignac number, because 52776558133249 - 2⁷ = 52776558133121 is a prime.

It is a super-2 number, since 2×52776558133249² (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 (52776558133049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205366974 + ... + 205623799.

It is an arithmetic number, because the mean of its divisors is an integer number (13194242313109).

It is a Proth number, since it is equal to 3 ⋅ 2⁴⁴ + 1 and 3 < 2⁴⁴.

Almost surely, 2^{52776558133249} is an apocalyptic number.

It is an amenable number.

52776558133249 is a deficient number, since it is larger than the sum of its proper divisors (411119187).

52776558133249 is a wasteful number, since it uses less digits than its factorization.

52776558133249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411119186.

The product of its digits is 381024000, while the sum is 67.

The spelling of 52776558133249 in words is "fifty-two trillion, seven hundred seventy-six billion, five hundred fifty-eight million, one hundred thirty-three thousand, two hundred forty-nine".