56416423 has 4 divisors (see below), whose sum is σ = 64475920. Its totient is φ = 48356928.

The previous prime is 56416417. The next prime is 56416429. The reversal of 56416423 is 32461465.

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

It is an interprime number because it is at equal distance from previous prime (56416417) and next prime (56416429).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56416423 is a prime.

It is a super-2 number, since 2×56416423² = 6365625568229858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56416429) 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, 4029738 + ... + 4029751.

It is an arithmetic number, because the mean of its divisors is an integer number (16118980).

Almost surely, 2^56416423 is an apocalyptic number.

56416423 is a deficient number, since it is larger than the sum of its proper divisors (8059497).

56416423 is an equidigital number, since it uses as much as digits as its factorization.

56416423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8059496.

The product of its digits is 17280, while the sum is 31.

The square root of 56416423 is about 7511.0866723797. The cubic root of 56416423 is about 383.5322153022.

Adding to 56416423 its reverse (32461465), we get a palindrome (88877888).

The spelling of 56416423 in words is "fifty-six million, four hundred sixteen thousand, four hundred twenty-three".