56662563 has 8 divisors (see below), whose sum is σ = 75626176. Its totient is φ = 37737000.

The previous prime is 56662559. The next prime is 56662583. The reversal of 56662563 is 36526665.

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

It is not a de Polignac number, because 56662563 - 2² = 56662559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56662553) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5833 + ... + 12138.

It is an arithmetic number, because the mean of its divisors is an integer number (9453272).

Almost surely, 2^56662563 is an apocalyptic number.

56662563 is a deficient number, since it is larger than the sum of its proper divisors (18963613).

56662563 is a wasteful number, since it uses less digits than its factorization.

56662563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19025.

The product of its digits is 194400, while the sum is 39.

The square root of 56662563 is about 7527.4539520345. The cubic root of 56662563 is about 384.0891787779.

The spelling of 56662563 in words is "fifty-six million, six hundred sixty-two thousand, five hundred sixty-three".