54874455447845 has 32 divisors (see below), whose sum is σ = 72874305607680. Its totient is φ = 39332079304000.

The previous prime is 54874455447827. The next prime is 54874455447859.

54874455447845 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54874455447845 - 2¹⁶ = 54874455382309 is a prime.

It is a super-2 number, since 2×54874455447845² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7994726 + ... + 13178184.

It is an arithmetic number, because the mean of its divisors is an integer number (2277322050240).

Almost surely, 2^{54874455447845} is an apocalyptic number.

54874455447845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54874455447845 is a deficient number, since it is larger than the sum of its proper divisors (17999850159835).

54874455447845 is a wasteful number, since it uses less digits than its factorization.

54874455447845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186257.

The product of its digits is 8028160000, while the sum is 74.

The spelling of 54874455447845 in words is "fifty-four trillion, eight hundred seventy-four billion, four hundred fifty-five million, four hundred forty-seven thousand, eight hundred forty-five".