56548845 has 54 divisors (see below), whose sum is σ = 105231438. Its totient is φ = 28087776.

The previous prime is 56548841. The next prime is 56548853. The reversal of 56548845 is 54884565.

56548845 is a `hidden beast` number, since 565 + 4 + 8 + 84 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45239076 + 11309769 = 6726^2 + 3363^2 .

It is not a de Polignac number, because 56548845 - 2² = 56548841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 56548845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56548841) by changing a digit.

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 53 ways as a sum of consecutive naturals, for example, 958426 + ... + 958484.

Almost surely, 2^56548845 is an apocalyptic number.

It is an amenable number.

56548845 is a deficient number, since it is larger than the sum of its proper divisors (48682593).

56548845 is a wasteful number, since it uses less digits than its factorization.

56548845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 86 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 56548845 is about 7519.8966083318. The cubic root of 56548845 is about 383.8320595381.

Multiplying 56548845 by its sum of digits (45), we get a square (2544698025 = 50445²).

56548845 divided by its sum of digits (45) gives a square (1256641 = 1121²).

The spelling of 56548845 in words is "fifty-six million, five hundred forty-eight thousand, eight hundred forty-five".