56563187 has 8 divisors (see below), whose sum is σ = 59124480. Its totient is φ = 54010440.

The previous prime is 56563183. The next prime is 56563193. The reversal of 56563187 is 78136565.

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

It is not a de Polignac number, because 56563187 - 2² = 56563183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56563181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14114 + ... + 17672.

It is an arithmetic number, because the mean of its divisors is an integer number (7390560).

Almost surely, 2^56563187 is an apocalyptic number.

56563187 is a deficient number, since it is larger than the sum of its proper divisors (2561293).

56563187 is a wasteful number, since it uses less digits than its factorization.

56563187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273.

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

The square root of 56563187 is about 7520.8501514124. The cubic root of 56563187 is about 383.8645061428.

The spelling of 56563187 in words is "fifty-six million, five hundred sixty-three thousand, one hundred eighty-seven".