56512536 has 32 divisors (see below), whose sum is σ = 148718400. Its totient is φ = 17845920.

The previous prime is 56512531. The next prime is 56512537. The reversal of 56512536 is 63521565.

It is a junction number, because it is equal to n+sod(n) for n = 56512497 and 56512506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56512531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61510 + ... + 62421.

It is an arithmetic number, because the mean of its divisors is an integer number (4647450).

Almost surely, 2^56512536 is an apocalyptic number.

It is an amenable number.

56512536 is an abundant number, since it is smaller than the sum of its proper divisors (92205864).

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

56512536 is a wasteful number, since it uses less digits than its factorization.

56512536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123959 (or 123955 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 56512536 is about 7517.4820252529. The cubic root of 56512536 is about 383.7498913870.

The spelling of 56512536 in words is "fifty-six million, five hundred twelve thousand, five hundred thirty-six".