56476481 has 2 divisors, whose sum is σ = 56476482. Its totient is φ = 56476480.

The previous prime is 56476457. The next prime is 56476487. The reversal of 56476481 is 18467465.

56476481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54626881 + 1849600 = 7391^2 + 1360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56476481 is a prime.

It is a super-2 number, since 2×56476481² = 6379185812286722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56476487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28238240 + 28238241.

It is an arithmetic number, because the mean of its divisors is an integer number (28238241).

Almost surely, 2^56476481 is an apocalyptic number.

It is an amenable number.

56476481 is a deficient number, since it is larger than the sum of its proper divisors (1).

56476481 is an equidigital number, since it uses as much as digits as its factorization.

56476481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The square root of 56476481 is about 7515.0835657363. The cubic root of 56476481 is about 383.6682632101.

The spelling of 56476481 in words is "fifty-six million, four hundred seventy-six thousand, four hundred eighty-one".