56783640750 has 64 divisors (see below), whose sum is σ = 143439738624. Its totient is φ = 14959850400.

The previous prime is 56783640721. The next prime is 56783640763. The reversal of 56783640750 is 5704638765.

It is a junction number, because it is equal to n+sod(n) for n = 56783640693 and 56783640702.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 393844 + ... + 518343.

It is an arithmetic number, because the mean of its divisors is an integer number (2241245916).

Almost surely, 2^56783640750 is an apocalyptic number.

56783640750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56783640750 is an abundant number, since it is smaller than the sum of its proper divisors (86656097874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56783640750 is a wasteful number, since it uses less digits than its factorization.

56783640750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912290 (or 912280 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 56783640750 in words is "fifty-six billion, seven hundred eighty-three million, six hundred forty thousand, seven hundred fifty".