56613585253 has 4 divisors (see below), whose sum is σ = 56678139820. Its totient is φ = 56549030688.

The previous prime is 56613585241. The next prime is 56613585257. The reversal of 56613585253 is 35258531665.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52753821124 + 3859764129 = 229682^2 + 62127^2 .

It is a cyclic number.

It is not a de Polignac number, because 56613585253 - 2¹⁷ = 56613454181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56613585197 and 56613585206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56613585257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32275968 + ... + 32277721.

It is an arithmetic number, because the mean of its divisors is an integer number (14169534955).

Almost surely, 2^56613585253 is an apocalyptic number.

It is an amenable number.

56613585253 is a deficient number, since it is larger than the sum of its proper divisors (64554567).

56613585253 is an equidigital number, since it uses as much as digits as its factorization.

56613585253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64554566.

The product of its digits is 3240000, while the sum is 49.

The spelling of 56613585253 in words is "fifty-six billion, six hundred thirteen million, five hundred eighty-five thousand, two hundred fifty-three".