56450012 has 12 divisors (see below), whose sum is σ = 101457720. Its totient is φ = 27462096.

The previous prime is 56449957. The next prime is 56450033. The reversal of 56450012 is 21005465.

It is a self number, because there is not a number n which added to its sum of digits gives 56450012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190562 + ... + 190857.

It is an arithmetic number, because the mean of its divisors is an integer number (8454810).

Almost surely, 2^56450012 is an apocalyptic number.

It is an amenable number.

56450012 is a deficient number, since it is larger than the sum of its proper divisors (45007708).

56450012 is a wasteful number, since it uses less digits than its factorization.

56450012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381460 (or 381458 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 56450012 is about 7513.3223010863. The cubic root of 56450012 is about 383.6083155292.

Adding to 56450012 its reverse (21005465), we get a palindrome (77455477).

The spelling of 56450012 in words is "fifty-six million, four hundred fifty thousand, twelve".