56476457 has 2 divisors, whose sum is σ = 56476458. Its totient is φ = 56476456.

The previous prime is 56476447. The next prime is 56476481. The reversal of 56476457 is 75467465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52070656 + 4405801 = 7216^2 + 2099^2 .

It is a cyclic number.

It is not a de Polignac number, because 56476457 - 2²⁴ = 39699241 is a prime.

It is not a weakly prime, because it can be changed into another prime (56476447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28238228 + 28238229.

It is an arithmetic number, because the mean of its divisors is an integer number (28238229).

Almost surely, 2^56476457 is an apocalyptic number.

It is an amenable number.

56476457 is a deficient number, since it is larger than the sum of its proper divisors (1).

56476457 is an equidigital number, since it uses as much as digits as its factorization.

56476457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 44.

The square root of 56476457 is about 7515.0819689475. The cubic root of 56476457 is about 383.6682088627.

The spelling of 56476457 in words is "fifty-six million, four hundred seventy-six thousand, four hundred fifty-seven".