56187563 has 4 divisors (see below), whose sum is σ = 56501640. Its totient is φ = 55873488.

The previous prime is 56187559. The next prime is 56187577. The reversal of 56187563 is 36578165.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56187563 - 2² = 56187559 is a prime.

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 56187563.

It is not an unprimeable number, because it can be changed into a prime (56187163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156770 + ... + 157127.

It is an arithmetic number, because the mean of its divisors is an integer number (14125410).

Almost surely, 2^56187563 is an apocalyptic number.

56187563 is a deficient number, since it is larger than the sum of its proper divisors (314077).

56187563 is a wasteful number, since it uses less digits than its factorization.

56187563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314076.

The product of its digits is 151200, while the sum is 41.

The square root of 56187563 is about 7495.8363776166. The cubic root of 56187563 is about 383.0128976016.

The spelling of 56187563 in words is "fifty-six million, one hundred eighty-seven thousand, five hundred sixty-three".