56474477 has 2 divisors, whose sum is σ = 56474478. Its totient is φ = 56474476.

The previous prime is 56474443. The next prime is 56474491. The reversal of 56474477 is 77447465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56040196 + 434281 = 7486^2 + 659^2 .

It is a cyclic number.

It is not a de Polignac number, because 56474477 - 2⁶ = 56474413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56474417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28237238 + 28237239.

It is an arithmetic number, because the mean of its divisors is an integer number (28237239).

Almost surely, 2^56474477 is an apocalyptic number.

It is an amenable number.

56474477 is a deficient number, since it is larger than the sum of its proper divisors (1).

56474477 is an equidigital number, since it uses as much as digits as its factorization.

56474477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658560, while the sum is 44.

The square root of 56474477 is about 7514.9502327028. The cubic root of 56474477 is about 383.6637251541.

The spelling of 56474477 in words is "fifty-six million, four hundred seventy-four thousand, four hundred seventy-seven".