52257744775225 has 36 divisors (see below), whose sum is σ = 71245717411932. Its totient is φ = 37995117107200.

The previous prime is 52257744775189. The next prime is 52257744775283.

52257744775225 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 6 ways, for example, as 23981598204201 + 28276146571024 = 4897101^2 + 5317532^2 .

It is not a de Polignac number, because 52257744775225 - 2¹⁹ = 52257744250937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8553357 + ... + 13329493.

It is an arithmetic number, because the mean of its divisors is an integer number (1979047705887).

Almost surely, 2^{52257744775225} is an apocalyptic number.

52257744775225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52257744775225 is a deficient number, since it is larger than the sum of its proper divisors (18987972636707).

52257744775225 is a wasteful number, since it uses less digits than its factorization.

52257744775225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4779786 (or 4779770 counting only the distinct ones).

The product of its digits is 384160000, while the sum is 64.

The spelling of 52257744775225 in words is "fifty-two trillion, two hundred fifty-seven billion, seven hundred forty-four million, seven hundred seventy-five thousand, two hundred twenty-five".