56046729565 has 16 divisors (see below), whose sum is σ = 71414088048. Its totient is φ = 42080321536.

The previous prime is 56046729533. The next prime is 56046729581. The reversal of 56046729565 is 56592764065.

56046729565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1870908516 + 54175821049 = 43254^2 + 232757^2 .

It is a cyclic number.

It is not a de Polignac number, because 56046729565 - 2⁵ = 56046729533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903952 + ... + 963961.

It is an arithmetic number, because the mean of its divisors is an integer number (4463380503).

Almost surely, 2^56046729565 is an apocalyptic number.

It is an amenable number.

56046729565 is a deficient number, since it is larger than the sum of its proper divisors (15367358483).

56046729565 is a wasteful number, since it uses less digits than its factorization.

56046729565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868288.

The product of its (nonzero) digits is 13608000, while the sum is 55.

The spelling of 56046729565 in words is "fifty-six billion, forty-six million, seven hundred twenty-nine thousand, five hundred sixty-five".