56628650158 has 4 divisors (see below), whose sum is σ = 84942975240. Its totient is φ = 28314325078.

The previous prime is 56628650137. The next prime is 56628650167. The reversal of 56628650158 is 85105682665.

56628650158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85105682665 = 5 ⋅17021136533.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14157162538 + ... + 14157162541.

It is an arithmetic number, because the mean of its divisors is an integer number (21235743810).

Almost surely, 2^56628650158 is an apocalyptic number.

56628650158 is a deficient number, since it is larger than the sum of its proper divisors (28314325082).

56628650158 is a wasteful number, since it uses less digits than its factorization.

56628650158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28314325081.

The product of its (nonzero) digits is 3456000, while the sum is 52.

The spelling of 56628650158 in words is "fifty-six billion, six hundred twenty-eight million, six hundred fifty thousand, one hundred fifty-eight".