56253235266 has 20 divisors (see below), whose sum is σ = 126048916422. Its totient is φ = 18751078368.

The previous prime is 56253235249. The next prime is 56253235277. The reversal of 56253235266 is 66253235265.

56253235266 is a `hidden beast` number, since 5 + 6 + 2 + 532 + 3 + 52 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 54777062025 + 1476173241 = 234045^2 + 38421^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 173620935 + ... + 173621258.

Almost surely, 2^56253235266 is an apocalyptic number.

56253235266 is an abundant number, since it is smaller than the sum of its proper divisors (69795681156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56253235266 is a wasteful number, since it uses less digits than its factorization.

56253235266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347242207 (or 347242198 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 45.

Subtracting 56253235266 from its reverse (66253235265), we obtain a palindrome (9999999999).

The spelling of 56253235266 in words is "fifty-six billion, two hundred fifty-three million, two hundred thirty-five thousand, two hundred sixty-six".