54451633615445 has 16 divisors (see below), whose sum is σ = 71282290876992. Its totient is φ = 39601103458560.

The previous prime is 54451633615399. The next prime is 54451633615453.

54451633615445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54451633615445 - 2²⁰ = 54451632566869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37721309 + ... + 39138221.

It is an arithmetic number, because the mean of its divisors is an integer number (4455143179812).

Almost surely, 2^{54451633615445} is an apocalyptic number.

54451633615445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54451633615445 is a deficient number, since it is larger than the sum of its proper divisors (16830657261547).

54451633615445 is a wasteful number, since it uses less digits than its factorization.

54451633615445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115652.

The product of its digits is 51840000, while the sum is 56.

The spelling of 54451633615445 in words is "fifty-four trillion, four hundred fifty-one billion, six hundred thirty-three million, six hundred fifteen thousand, four hundred forty-five".