56091607461 has 20 divisors (see below), whose sum is σ = 83822068044. Its totient is φ = 37380614400.

The previous prime is 56091607447. The next prime is 56091607471. The reversal of 56091607461 is 16470619065.

56091607461 is a `hidden beast` number, since 560 + 9 + 16 + 0 + 74 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6938057025 + 49153550436 = 83295^2 + 221706^2 .

It is not a de Polignac number, because 56091607461 - 2¹⁹ = 56091083173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56091607471) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 95701 + ... + 348341.

Almost surely, 2^56091607461 is an apocalyptic number.

It is an amenable number.

56091607461 is a deficient number, since it is larger than the sum of its proper divisors (27730460583).

56091607461 is a wasteful number, since it uses less digits than its factorization.

56091607461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255394 (or 255385 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 56091607461 in words is "fifty-six billion, ninety-one million, six hundred seven thousand, four hundred sixty-one".