56743471 has 2 divisors, whose sum is σ = 56743472. Its totient is φ = 56743470.

The previous prime is 56743469. The next prime is 56743493. The reversal of 56743471 is 17434765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56743471 - 2¹ = 56743469 is a prime.

It is a super-3 number, since 3×56743471³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 56743469, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 56743471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56743441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28371735 + 28371736.

It is an arithmetic number, because the mean of its divisors is an integer number (28371736).

Almost surely, 2^56743471 is an apocalyptic number.

56743471 is a deficient number, since it is larger than the sum of its proper divisors (1).

56743471 is an equidigital number, since it uses as much as digits as its factorization.

56743471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 37.

The square root of 56743471 is about 7532.8262292449. The cubic root of 56743471 is about 384.2719044104.

It can be divided in two parts, 5 and 6743471, that added together give a palindrome (6743476).

The spelling of 56743471 in words is "fifty-six million, seven hundred forty-three thousand, four hundred seventy-one".