56538798236 has 24 divisors (see below), whose sum is σ = 102127720800. Its totient is φ = 27367129152.

The previous prime is 56538798233. The next prime is 56538798311. The reversal of 56538798236 is 63289783565.

It is a super-2 number, since 2×56538798236² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56538798233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930395 + ... + 989298.

It is an arithmetic number, because the mean of its divisors is an integer number (4255321700).

Almost surely, 2^56538798236 is an apocalyptic number.

It is an amenable number.

56538798236 is a deficient number, since it is larger than the sum of its proper divisors (45588922564).

56538798236 is a wasteful number, since it uses less digits than its factorization.

56538798236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919933 (or 1919931 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 62.

The spelling of 56538798236 in words is "fifty-six billion, five hundred thirty-eight million, seven hundred ninety-eight thousand, two hundred thirty-six".