54856336415858 has 8 divisors (see below), whose sum is σ = 82379851676928. Its totient is φ = 27396385856884.

The previous prime is 54856336415813. The next prime is 54856336415861. The reversal of 54856336415858 is 85851463365845.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54856336415791 and 54856336415800.

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, 15891173366 + ... + 15891176817.

It is an arithmetic number, because the mean of its divisors is an integer number (10297481459616).

Almost surely, 2^{54856336415858} is an apocalyptic number.

54856336415858 is a deficient number, since it is larger than the sum of its proper divisors (27523515261070).

54856336415858 is a wasteful number, since it uses less digits than its factorization.

54856336415858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31782351048.

The product of its digits is 1658880000, while the sum is 71.

The spelling of 54856336415858 in words is "fifty-four trillion, eight hundred fifty-six billion, three hundred thirty-six million, four hundred fifteen thousand, eight hundred fifty-eight".