56451819654354 has 8 divisors (see below), whose sum is σ = 112903639308720. Its totient is φ = 18817273218116.

The previous prime is 56451819654337. The next prime is 56451819654361. The reversal of 56451819654354 is 45345691815465.

It is a happy number.

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

56451819654354 is an admirable number.

It is a Curzon number.

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, 4704318304524 + ... + 4704318304535.

It is an arithmetic number, because the mean of its divisors is an integer number (14112954913590).

Almost surely, 2^{56451819654354} is an apocalyptic number.

56451819654354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56451819654354 is a wasteful number, since it uses less digits than its factorization.

56451819654354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9408636609064.

The product of its digits is 311040000, while the sum is 66.

The spelling of 56451819654354 in words is "fifty-six trillion, four hundred fifty-one billion, eight hundred nineteen million, six hundred fifty-four thousand, three hundred fifty-four".