56809463 has 8 divisors (see below), whose sum is σ = 58854000. Its totient is φ = 54770688.

The previous prime is 56809457. The next prime is 56809469. The reversal of 56809463 is 36490865.

It is an interprime number because it is at equal distance from previous prime (56809457) and next prime (56809469).

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

It is a cyclic number.

It is not a de Polignac number, because 56809463 - 2⁶ = 56809399 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 56809463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56809469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32588 + ... + 34286.

It is an arithmetic number, because the mean of its divisors is an integer number (7356750).

Almost surely, 2^56809463 is an apocalyptic number.

56809463 is a deficient number, since it is larger than the sum of its proper divisors (2044537).

56809463 is a wasteful number, since it uses less digits than its factorization.

56809463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 56809463 is about 7537.2052512851. The cubic root of 56809463 is about 384.4208146241.

The spelling of 56809463 in words is "fifty-six million, eight hundred nine thousand, four hundred sixty-three".