56816553803 has 8 divisors (see below), whose sum is σ = 59811640320. Its totient is φ = 53821941480.

The previous prime is 56816553799. The next prime is 56816553817. The reversal of 56816553803 is 30835561865.

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

It is a cyclic number.

It is not a de Polignac number, because 56816553803 - 2² = 56816553799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56816553823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142118 + ... + 365828.

It is an arithmetic number, because the mean of its divisors is an integer number (7476455040).

Almost surely, 2^56816553803 is an apocalyptic number.

56816553803 is a deficient number, since it is larger than the sum of its proper divisors (2995086517).

56816553803 is a wasteful number, since it uses less digits than its factorization.

56816553803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237097.

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 56816553803 in words is "fifty-six billion, eight hundred sixteen million, five hundred fifty-three thousand, eight hundred three".