56634830477 has 2 divisors, whose sum is σ = 56634830478. Its totient is φ = 56634830476.

The previous prime is 56634830429. The next prime is 56634830491. The reversal of 56634830477 is 77403843665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54571763236 + 2063067241 = 233606^2 + 45421^2 .

It is a cyclic number.

It is not a de Polignac number, because 56634830477 - 2³² = 52339863181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56634839477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28317415238 + 28317415239.

It is an arithmetic number, because the mean of its divisors is an integer number (28317415239).

Almost surely, 2^56634830477 is an apocalyptic number.

It is an amenable number.

56634830477 is a deficient number, since it is larger than the sum of its proper divisors (1).

56634830477 is an equidigital number, since it uses as much as digits as its factorization.

56634830477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10160640, while the sum is 53.

The spelling of 56634830477 in words is "fifty-six billion, six hundred thirty-four million, eight hundred thirty thousand, four hundred seventy-seven".