56783642072 has 16 divisors (see below), whose sum is σ = 106477465560. Its totient is φ = 28389651264.

The previous prime is 56783642053. The next prime is 56783642089. The reversal of 56783642072 is 27024638765.

56783642072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56783642072² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56783642072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157178 + ... + 371849.

Almost surely, 2^56783642072 is an apocalyptic number.

It is an amenable number.

56783642072 is a deficient number, since it is larger than the sum of its proper divisors (49693823488).

56783642072 is a wasteful number, since it uses less digits than its factorization.

56783642072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542450 (or 542446 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 56783642072 in words is "fifty-six billion, seven hundred eighty-three million, six hundred forty-two thousand, seventy-two".