56903239936 has 81 divisors (see below), whose sum is σ = 120796388139. Its totient is φ = 26747461632.

The previous prime is 56903239933. The next prime is 56903239979. The reversal of 56903239936 is 63993230965.

The square root of 56903239936 is 238544.

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

It can be written as a sum of positive squares in 4 ways, for example, as 22098606336 + 34804633600 = 148656^2 + 186560^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56903239933) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 64883530 + ... + 64884406.

Almost surely, 2^56903239936 is an apocalyptic number.

56903239936 is the 238544-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56903239936

56903239936 is an abundant number, since it is smaller than the sum of its proper divisors (63893148203).

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

56903239936 is an frugal number, since it uses more digits than its factorization.

56903239936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 7085880, while the sum is 55.

The spelling of 56903239936 in words is "fifty-six billion, nine hundred three million, two hundred thirty-nine thousand, nine hundred thirty-six".