56056005 has 12 divisors (see below), whose sum is σ = 97163820. Its totient is φ = 29896512.

The previous prime is 56056001. The next prime is 56056057. The reversal of 56056005 is 50065065.

56056005 is a `hidden beast` number, since 56 + 0 + 5 + 600 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25948836 + 30107169 = 5094^2 + 5487^2 .

It is not a de Polignac number, because 56056005 - 2² = 56056001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56056005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56056001) 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, 622800 + ... + 622889.

It is an arithmetic number, because the mean of its divisors is an integer number (8096985).

Almost surely, 2^56056005 is an apocalyptic number.

It is an amenable number.

56056005 is a deficient number, since it is larger than the sum of its proper divisors (41107815).

56056005 is a wasteful number, since it uses less digits than its factorization.

56056005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245700 (or 1245697 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 56056005 is about 7487.0558298974. The cubic root of 56056005 is about 382.7137341929.

It can be divided in two parts, 560 and 56005, that added together give a palindrome (56565).

The spelling of 56056005 in words is "fifty-six million, fifty-six thousand, five".