54656416857 has 8 divisors (see below), whose sum is σ = 83285968576. Its totient is φ = 31232238192.

The previous prime is 54656416807. The next prime is 54656416879. The reversal of 54656416857 is 75861465645.

It is a happy number.

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

It is not a de Polignac number, because 54656416857 - 2⁸ = 54656416601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54656416797 and 54656416806.

It is not an unprimeable number, because it can be changed into a prime (54656416807) 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, 1301343238 + ... + 1301343279.

It is an arithmetic number, because the mean of its divisors is an integer number (10410746072).

Almost surely, 2^54656416857 is an apocalyptic number.

It is an amenable number.

54656416857 is a deficient number, since it is larger than the sum of its proper divisors (28629551719).

54656416857 is a wasteful number, since it uses less digits than its factorization.

54656416857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602686527.

The product of its digits is 24192000, while the sum is 57.

The spelling of 54656416857 in words is "fifty-four billion, six hundred fifty-six million, four hundred sixteen thousand, eight hundred fifty-seven".