56245045 has 4 divisors (see below), whose sum is σ = 67494060. Its totient is φ = 44996032.

The previous prime is 56245039. The next prime is 56245157. The reversal of 56245045 is 54054265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54054265 = 5 ⋅10810853.

It can be written as a sum of positive squares in 2 ways, for example, as 43903876 + 12341169 = 6626^2 + 3513^2 .

It is a cyclic number.

It is not a de Polignac number, because 56245045 - 2³ = 56245037 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 56244998 and 56245016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5624500 + ... + 5624509.

It is an arithmetic number, because the mean of its divisors is an integer number (16873515).

Almost surely, 2^56245045 is an apocalyptic number.

It is an amenable number.

56245045 is a deficient number, since it is larger than the sum of its proper divisors (11249015).

56245045 is a wasteful number, since it uses less digits than its factorization.

56245045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11249014.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 56245045 is about 7499.6696593917. The cubic root of 56245045 is about 383.1434653087.

The spelling of 56245045 in words is "fifty-six million, two hundred forty-five thousand, forty-five".