56730762772 has 6 divisors (see below), whose sum is σ = 99278834858. Its totient is φ = 28365381384.

The previous prime is 56730762757. The next prime is 56730762779. The reversal of 56730762772 is 27726703765.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 56208823056 + 521939716 = 237084^2 + 22846^2 .

It is a super-2 number, since 2×56730762772² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56730762779) 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 as a sum of consecutive naturals, namely, 7091345343 + ... + 7091345350.

Almost surely, 2^56730762772 is an apocalyptic number.

It is an amenable number.

56730762772 is a deficient number, since it is larger than the sum of its proper divisors (42548072086).

56730762772 is a wasteful number, since it uses less digits than its factorization.

56730762772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14182690697 (or 14182690695 counting only the distinct ones).

The product of its (nonzero) digits is 5186160, while the sum is 52.

The spelling of 56730762772 in words is "fifty-six billion, seven hundred thirty million, seven hundred sixty-two thousand, seven hundred seventy-two".