56002645 has 16 divisors (see below), whose sum is σ = 69713280. Its totient is φ = 43153344.

The previous prime is 56002621. The next prime is 56002649. The reversal of 56002645 is 54620065.

It is a cyclic number.

It is not a de Polignac number, because 56002645 - 2⁷ = 56002517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56002649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17586 + ... + 20524.

It is an arithmetic number, because the mean of its divisors is an integer number (4357080).

Almost surely, 2^56002645 is an apocalyptic number.

It is an amenable number.

56002645 is a deficient number, since it is larger than the sum of its proper divisors (13710635).

56002645 is a wasteful number, since it uses less digits than its factorization.

56002645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 56002645 is about 7483.4914979574. The cubic root of 56002645 is about 382.5922599156.

The spelling of 56002645 in words is "fifty-six million, two thousand, six hundred forty-five".