56421536036 has 6 divisors (see below), whose sum is σ = 98737688070. Its totient is φ = 28210768016.

The previous prime is 56421536033. The next prime is 56421536057. The reversal of 56421536036 is 63063512465.

It can be written as a sum of positive squares in only one way, i.e., 32110489636 + 24311046400 = 179194^2 + 155920^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56421535984 and 56421536002.

It is not an unprimeable number, because it can be changed into a prime (56421536033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7052692001 + ... + 7052692008.

It is an arithmetic number, because the mean of its divisors is an integer number (16456281345).

Almost surely, 2^56421536036 is an apocalyptic number.

It is an amenable number.

56421536036 is a deficient number, since it is larger than the sum of its proper divisors (42316152034).

56421536036 is a wasteful number, since it uses less digits than its factorization.

56421536036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14105384013 (or 14105384011 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 56421536036 in words is "fifty-six billion, four hundred twenty-one million, five hundred thirty-six thousand, thirty-six".