56046645 has 24 divisors (see below), whose sum is σ = 97778616. Its totient is φ = 29697408.

The previous prime is 56046643. The next prime is 56046649. The reversal of 56046645 is 54664065.

It is a happy number.

56046645 is a `hidden beast` number, since 5 + 6 + 0 + 4 + 6 + 645 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 603729 + 55442916 = 777^2 + 7446^2 .

It is not a de Polignac number, because 56046645 - 2¹ = 56046643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56046643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3099 + ... + 11031.

It is an arithmetic number, because the mean of its divisors is an integer number (4074109).

Almost surely, 2^56046645 is an apocalyptic number.

It is an amenable number.

56046645 is a deficient number, since it is larger than the sum of its proper divisors (41731971).

56046645 is a wasteful number, since it uses less digits than its factorization.

56046645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8101 (or 8098 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 56046645 is about 7486.4307249850. The cubic root of 56046645 is about 382.6924316881.

The spelling of 56046645 in words is "fifty-six million, forty-six thousand, six hundred forty-five".