56628494608 has 20 divisors (see below), whose sum is σ = 125391666880. Its totient is φ = 24269354784.

The previous prime is 56628494567. The next prime is 56628494617. The reversal of 56628494608 is 80649482665.

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, 252805668 + ... + 252805891.

It is an arithmetic number, because the mean of its divisors is an integer number (6269583344).

Almost surely, 2^56628494608 is an apocalyptic number.

It is an amenable number.

56628494608 is an abundant number, since it is smaller than the sum of its proper divisors (68763172272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56628494608 is a wasteful number, since it uses less digits than its factorization.

56628494608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505611574 (or 505611568 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 58.

The spelling of 56628494608 in words is "fifty-six billion, six hundred twenty-eight million, four hundred ninety-four thousand, six hundred eight".