56066045 has 12 divisors (see below), whose sum is σ = 78263964. Its totient is φ = 38445120.

The previous prime is 56066039. The next prime is 56066047. The reversal of 56066045 is 54066065.

It can be written as a sum of positive squares in 2 ways, for example, as 18292729 + 37773316 = 4277^2 + 6146^2 .

It is not a de Polignac number, because 56066045 - 2⁴ = 56066029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56066047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114176 + ... + 114665.

It is an arithmetic number, because the mean of its divisors is an integer number (6521997).

Almost surely, 2^56066045 is an apocalyptic number.

It is an amenable number.

56066045 is a deficient number, since it is larger than the sum of its proper divisors (22197919).

56066045 is a wasteful number, since it uses less digits than its factorization.

56066045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228860 (or 228853 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 56066045 is about 7487.7262904035. The cubic root of 56066045 is about 382.7365816798.

The spelling of 56066045 in words is "fifty-six million, sixty-six thousand, forty-five".