56501106764987 has 8 divisors (see below), whose sum is σ = 56720471579280. Its totient is φ = 56281989404160.

The previous prime is 56501106764917. The next prime is 56501106765011. The reversal of 56501106764987 is 78946760110565.

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 56501106764987 - 2¹⁰ = 56501106763963 is a prime.

It is a super-2 number, since 2×56501106764987² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56501106764917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61405814 + ... + 62319147.

It is an arithmetic number, because the mean of its divisors is an integer number (7090058947410).

Almost surely, 2^{56501106764987} is an apocalyptic number.

56501106764987 is a deficient number, since it is larger than the sum of its proper divisors (219364814293).

56501106764987 is a wasteful number, since it uses less digits than its factorization.

56501106764987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123726733.

The product of its (nonzero) digits is 76204800, while the sum is 65.

The spelling of 56501106764987 in words is "fifty-six trillion, five hundred one billion, one hundred six million, seven hundred sixty-four thousand, nine hundred eighty-seven".