56765753730 has 144 divisors (see below), whose sum is σ = 171995750784. Its totient is φ = 12951731520.

The previous prime is 56765753719. The next prime is 56765753743. The reversal of 56765753730 is 3735756765.

56765753730 is a `hidden beast` number, since 5 + 6 + 7 + 6 + 575 + 37 + 30 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2506839 + ... + 2529381.

It is an arithmetic number, because the mean of its divisors is an integer number (1194414936).

Almost surely, 2^56765753730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56765753730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85997875392).

56765753730 is an abundant number, since it is smaller than the sum of its proper divisors (115229997054).

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

56765753730 is a wasteful number, since it uses less digits than its factorization.

56765753730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23141 (or 23131 counting only the distinct ones).

The product of its (nonzero) digits is 13891500, while the sum is 54.

The spelling of 56765753730 in words is "fifty-six billion, seven hundred sixty-five million, seven hundred fifty-three thousand, seven hundred thirty".