54859064816 has 30 divisors (see below), whose sum is σ = 106429382280. Its totient is φ = 27393453984.

The previous prime is 54859064789. The next prime is 54859064851. The reversal of 54859064816 is 61846095845.

It is a super-2 number, since 2×54859064816² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35187845 + ... + 35189403.

It is an arithmetic number, because the mean of its divisors is an integer number (3547646076).

Almost surely, 2^54859064816 is an apocalyptic number.

It is an amenable number.

54859064816 is a deficient number, since it is larger than the sum of its proper divisors (51570317464).

54859064816 is an equidigital number, since it uses as much as digits as its factorization.

54859064816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533 (or 3044 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 54859064816 in words is "fifty-four billion, eight hundred fifty-nine million, sixty-four thousand, eight hundred sixteen".