56288308906 has 16 divisors (see below), whose sum is σ = 90382658400. Its totient is φ = 26210968848.

The previous prime is 56288308897. The next prime is 56288308919. The reversal of 56288308906 is 60980388265.

It is a happy number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 12550905 + ... + 12555388.

It is an arithmetic number, because the mean of its divisors is an integer number (5648916150).

Almost surely, 2^56288308906 is an apocalyptic number.

56288308906 is a deficient number, since it is larger than the sum of its proper divisors (34094349494).

56288308906 is a wasteful number, since it uses less digits than its factorization.

56288308906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25106373.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 56288308906 in words is "fifty-six billion, two hundred eighty-eight million, three hundred eight thousand, nine hundred six".