56755506515 has 8 divisors (see below), whose sum is σ = 68365569888. Its totient is φ = 45231763840.

The previous prime is 56755506503. The next prime is 56755506523. The reversal of 56755506515 is 51560555765.

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

It is not a de Polignac number, because 56755506515 - 2¹⁰ = 56755505491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21578726 + ... + 21581355.

It is an arithmetic number, because the mean of its divisors is an integer number (8545696236).

Almost surely, 2^56755506515 is an apocalyptic number.

56755506515 is a deficient number, since it is larger than the sum of its proper divisors (11610063373).

56755506515 is a wasteful number, since it uses less digits than its factorization.

56755506515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43160349.

The product of its (nonzero) digits is 3937500, while the sum is 50.

The spelling of 56755506515 in words is "fifty-six billion, seven hundred fifty-five million, five hundred six thousand, five hundred fifteen".