56120643 has 6 divisors (see below), whose sum is σ = 81063164. Its totient is φ = 37413756.

The previous prime is 56120639. The next prime is 56120651. The reversal of 56120643 is 34602165.

56120643 is a `hidden beast` number, since 5 + 6 + 12 + 0 + 643 = 666.

It is not a de Polignac number, because 56120643 - 2² = 56120639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56220643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3117805 + ... + 3117822.

Almost surely, 2^56120643 is an apocalyptic number.

56120643 is a deficient number, since it is larger than the sum of its proper divisors (24942521).

56120643 is a wasteful number, since it uses less digits than its factorization.

56120643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6235633 (or 6235630 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 56120643 is about 7491.3712362958. The cubic root of 56120643 is about 382.8607796823.

The spelling of 56120643 in words is "fifty-six million, one hundred twenty thousand, six hundred forty-three".