56563247 has 16 divisors (see below), whose sum is σ = 65019360. Its totient is φ = 48771072.

The previous prime is 56563237. The next prime is 56563271. The reversal of 56563247 is 74236565.

It is a cyclic number.

It is not a de Polignac number, because 56563247 - 2⁶ = 56563183 is a prime.

It is a super-2 number, since 2×56563247² = 6398801822366018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56563247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56563217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16463 + ... + 19599.

It is an arithmetic number, because the mean of its divisors is an integer number (4063710).

Almost surely, 2^56563247 is an apocalyptic number.

56563247 is a deficient number, since it is larger than the sum of its proper divisors (8456113).

56563247 is a wasteful number, since it uses less digits than its factorization.

56563247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242.

The product of its digits is 151200, while the sum is 38.

The square root of 56563247 is about 7520.8541403221. The cubic root of 56563247 is about 383.8646418722.

The spelling of 56563247 in words is "fifty-six million, five hundred sixty-three thousand, two hundred forty-seven".