54004643244557 has 8 divisors (see below), whose sum is σ = 54013203098040. Its totient is φ = 53996083764480.

The previous prime is 54004643244529. The next prime is 54004643244581. The reversal of 54004643244557 is 75544234640045.

It can be written as a sum of positive squares in 4 ways, for example, as 61058596 + 54004582185961 = 7814^2 + 7348781^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 54004643244557 - 2¹⁰ = 54004643243533 is a prime.

It is a super-2 number, since 2×54004643244557² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54004643244499 and 54004643244508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54004633244557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457247003 + ... + 457365095.

It is an arithmetic number, because the mean of its divisors is an integer number (6751650387255).

Almost surely, 2^{54004643244557} is an apocalyptic number.

It is an amenable number.

54004643244557 is a deficient number, since it is larger than the sum of its proper divisors (8559853483).

54004643244557 is a wasteful number, since it uses less digits than its factorization.

54004643244557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186703.

The product of its (nonzero) digits is 32256000, while the sum is 53.

The spelling of 54004643244557 in words is "fifty-four trillion, four billion, six hundred forty-three million, two hundred forty-four thousand, five hundred fifty-seven".