54557344375545 has 128 divisors (see below), whose sum is σ = 99653476220928. Its totient is φ = 25247135865600.

The previous prime is 54557344375529. The next prime is 54557344375603.

54557344375545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54557344375545 - 2⁴ = 54557344375529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 249098454 + ... + 249317376.

It is an arithmetic number, because the mean of its divisors is an integer number (778542782976).

Almost surely, 2^{54557344375545} is an apocalyptic number.

54557344375545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54557344375545 is a deficient number, since it is larger than the sum of its proper divisors (45096131845383).

54557344375545 is a wasteful number, since it uses less digits than its factorization.

54557344375545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219643.

The product of its digits is 1764000000, while the sum is 66.

The spelling of 54557344375545 in words is "fifty-four trillion, five hundred fifty-seven billion, three hundred forty-four million, three hundred seventy-five thousand, five hundred forty-five".