56009997902858 has 8 divisors (see below), whose sum is σ = 84066890001120. Its totient is φ = 27987701235820.

The previous prime is 56009997902819. The next prime is 56009997902861. The reversal of 56009997902858 is 85820979990065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 8648853758 + ... + 8648860233.

It is an arithmetic number, because the mean of its divisors is an integer number (10508361250140).

Almost surely, 2^{56009997902858} is an apocalyptic number.

56009997902858 is a deficient number, since it is larger than the sum of its proper divisors (28056892098262).

56009997902858 is a wasteful number, since it uses less digits than its factorization.

56009997902858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17297715612.

The product of its (nonzero) digits is 881798400, while the sum is 77.

The spelling of 56009997902858 in words is "fifty-six trillion, nine billion, nine hundred ninety-seven million, nine hundred two thousand, eight hundred fifty-eight".