56045613 has 32 divisors (see below), whose sum is σ = 83894272. Its totient is φ = 33048000.

The previous prime is 56045597. The next prime is 56045657. The reversal of 56045613 is 31654065.

56045613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56045613 - 2⁴ = 56045597 is a prime.

It is a super-2 number, since 2×56045613² = 6282221473091538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56045663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182406 + ... + 182712.

It is an arithmetic number, because the mean of its divisors is an integer number (2621696).

Almost surely, 2^56045613 is an apocalyptic number.

It is an amenable number.

56045613 is a deficient number, since it is larger than the sum of its proper divisors (27848659).

56045613 is a wasteful number, since it uses less digits than its factorization.

56045613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 56045613 is about 7486.3617999667. The cubic root of 56045613 is about 382.6900828052.

Adding to 56045613 its reverse (31654065), we get a palindrome (87699678).

The spelling of 56045613 in words is "fifty-six million, forty-five thousand, six hundred thirteen".