56004247 has 8 divisors (see below), whose sum is σ = 60374160. Its totient is φ = 51643200.

The previous prime is 56004217. The next prime is 56004281. The reversal of 56004247 is 74240065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56004247 - 2²³ = 47615639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56004217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17379 + ... + 20347.

It is an arithmetic number, because the mean of its divisors is an integer number (7546770).

Almost surely, 2^56004247 is an apocalyptic number.

56004247 is a deficient number, since it is larger than the sum of its proper divisors (4369913).

56004247 is a wasteful number, since it uses less digits than its factorization.

56004247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 56004247 is about 7483.5985327916. The cubic root of 56004247 is about 382.5959079990.

The spelling of 56004247 in words is "fifty-six million, four thousand, two hundred forty-seven".