56326663 has 4 divisors (see below), whose sum is σ = 56346840. Its totient is φ = 56306488.

The previous prime is 56326649. The next prime is 56326667. The reversal of 56326663 is 36662365.

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 56326663 - 2⁵ = 56326631 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 (56326667) 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, 5068 + ... + 11761.

It is an arithmetic number, because the mean of its divisors is an integer number (14086710).

Almost surely, 2^56326663 is an apocalyptic number.

56326663 is a deficient number, since it is larger than the sum of its proper divisors (20177).

56326663 is a wasteful number, since it uses less digits than its factorization.

56326663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20176.

The product of its digits is 116640, while the sum is 37.

The square root of 56326663 is about 7505.1091264551. The cubic root of 56326663 is about 383.3287040819.

The spelling of 56326663 in words is "fifty-six million, three hundred twenty-six thousand, six hundred sixty-three".