56785617051 has 8 divisors (see below), whose sum is σ = 75735372864. Its totient is φ = 37846469640.

The previous prime is 56785617037. The next prime is 56785617127. The reversal of 56785617051 is 15071658765.

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

It is not a de Polignac number, because 56785617051 - 2²⁷ = 56651399323 is a prime.

It is a super-3 number, since 3×56785617051³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56785616985 and 56785617003.

It is not an unprimeable number, because it can be changed into a prime (56785618051) 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 7 ways as a sum of consecutive naturals, for example, 2639601 + ... + 2661026.

It is an arithmetic number, because the mean of its divisors is an integer number (9466921608).

Almost surely, 2^56785617051 is an apocalyptic number.

56785617051 is a deficient number, since it is larger than the sum of its proper divisors (18949755813).

56785617051 is a wasteful number, since it uses less digits than its factorization.

56785617051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5304201.

The product of its (nonzero) digits is 1764000, while the sum is 51.

The spelling of 56785617051 in words is "fifty-six billion, seven hundred eighty-five million, six hundred seventeen thousand, fifty-one".