56775649953 has 8 divisors (see below), whose sum is σ = 82582763616. Its totient is φ = 34409484800.

The previous prime is 56775649951. The next prime is 56775650017. The reversal of 56775649953 is 35994657765.

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 56775649953 - 2¹ = 56775649951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56775649951) 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, 860237088 + ... + 860237153.

It is an arithmetic number, because the mean of its divisors is an integer number (10322845452).

Almost surely, 2^56775649953 is an apocalyptic number.

It is an amenable number.

56775649953 is a deficient number, since it is larger than the sum of its proper divisors (25807113663).

56775649953 is a wasteful number, since it uses less digits than its factorization.

56775649953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720474255.

The product of its digits is 214326000, while the sum is 66.

The spelling of 56775649953 in words is "fifty-six billion, seven hundred seventy-five million, six hundred forty-nine thousand, nine hundred fifty-three".