56528936936 has 16 divisors (see below), whose sum is σ = 105994788900. Its totient is φ = 28263659904.

The previous prime is 56528936917. The next prime is 56528936977. The reversal of 56528936936 is 63963982565.

It can be written as a sum of positive squares in 2 ways, for example, as 48624660100 + 7904276836 = 220510^2 + 88906^2 .

It is a super-2 number, since 2×56528936936² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 281030 + ... + 438218.

Almost surely, 2^56528936936 is an apocalyptic number.

It is an amenable number.

56528936936 is a deficient number, since it is larger than the sum of its proper divisors (49465851964).

56528936936 is a wasteful number, since it uses less digits than its factorization.

56528936936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202148 (or 202144 counting only the distinct ones).

The product of its digits is 62985600, while the sum is 62.

The spelling of 56528936936 in words is "fifty-six billion, five hundred twenty-eight million, nine hundred thirty-six thousand, nine hundred thirty-six".