56724065 has 16 divisors (see below), whose sum is σ = 69845760. Its totient is φ = 44204160.

The previous prime is 56724047. The next prime is 56724113. The reversal of 56724065 is 56042765.

It is not a de Polignac number, because 56724065 - 2⁶ = 56724001 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65606 + ... + 66464.

It is an arithmetic number, because the mean of its divisors is an integer number (4365360).

Almost surely, 2^56724065 is an apocalyptic number.

It is an amenable number.

56724065 is a deficient number, since it is larger than the sum of its proper divisors (13121695).

56724065 is a wasteful number, since it uses less digits than its factorization.

56724065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 56724065 is about 7531.5380235381. The cubic root of 56724065 is about 384.2280930214.

The spelling of 56724065 in words is "fifty-six million, seven hundred twenty-four thousand, sixty-five".