56513045 has 16 divisors (see below), whose sum is σ = 69154560. Its totient is φ = 44326464.

The previous prime is 56513033. The next prime is 56513057. The reversal of 56513045 is 54031565.

56513045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56513033) and next prime (56513057).

It is a cyclic number.

It is not a de Polignac number, because 56513045 - 2⁴ = 56513029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56512999 and 56513017.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 67922 + ... + 68748.

It is an arithmetic number, because the mean of its divisors is an integer number (4322160).

Almost surely, 2^56513045 is an apocalyptic number.

It is an amenable number.

56513045 is a deficient number, since it is larger than the sum of its proper divisors (12641515).

56513045 is a wasteful number, since it uses less digits than its factorization.

56513045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 56513045 is about 7517.5158795975. The cubic root of 56513045 is about 383.7510435096.

The spelling of 56513045 in words is "fifty-six million, five hundred thirteen thousand, forty-five".