56765650751 has 4 divisors (see below), whose sum is σ = 59753316600. Its totient is φ = 53777984904.

The previous prime is 56765650727. The next prime is 56765650763. The reversal of 56765650751 is 15705656765.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15705656765 = 5 ⋅3141131353.

It is a cyclic number.

It is not a de Polignac number, because 56765650751 - 2¹⁸ = 56765388607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56765650693 and 56765650702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56765650771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493832896 + ... + 1493832933.

It is an arithmetic number, because the mean of its divisors is an integer number (14938329150).

Almost surely, 2^56765650751 is an apocalyptic number.

56765650751 is a deficient number, since it is larger than the sum of its proper divisors (2987665849).

56765650751 is a wasteful number, since it uses less digits than its factorization.

56765650751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987665848.

The product of its (nonzero) digits is 6615000, while the sum is 53.

The spelling of 56765650751 in words is "fifty-six billion, seven hundred sixty-five million, six hundred fifty thousand, seven hundred fifty-one".