56785683253 has 8 divisors (see below), whose sum is σ = 64751096088. Its totient is φ = 49334168064.

The previous prime is 56785683221. The next prime is 56785683263. The reversal of 56785683253 is 35238658765.

It can be written as a sum of positive squares in 4 ways, for example, as 10518963844 + 46266719409 = 102562^2 + 215097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56785683253 - 2⁵ = 56785683221 is a prime.

It is a super-2 number, since 2×56785683253² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56785683263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128474176 + ... + 128474617.

It is an arithmetic number, because the mean of its divisors is an integer number (8093887011).

Almost surely, 2^56785683253 is an apocalyptic number.

It is an amenable number.

56785683253 is a deficient number, since it is larger than the sum of its proper divisors (7965412835).

56785683253 is a wasteful number, since it uses less digits than its factorization.

56785683253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256948823.

The product of its digits is 36288000, while the sum is 58.

The spelling of 56785683253 in words is "fifty-six billion, seven hundred eighty-five million, six hundred eighty-three thousand, two hundred fifty-three".