54644861408578 has 32 divisors (see below), whose sum is σ = 93952287475200. Its totient is φ = 23350390724160.

The previous prime is 54644861408537. The next prime is 54644861408581. The reversal of 54644861408578 is 87580416844645.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66584100 + ... + 67399792.

It is an arithmetic number, because the mean of its divisors is an integer number (2936008983600).

Almost surely, 2^{54644861408578} is an apocalyptic number.

54644861408578 is a deficient number, since it is larger than the sum of its proper divisors (39307426066622).

54644861408578 is a wasteful number, since it uses less digits than its factorization.

54644861408578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829762.

The product of its (nonzero) digits is 825753600, while the sum is 70.

The spelling of 54644861408578 in words is "fifty-four trillion, six hundred forty-four billion, eight hundred sixty-one million, four hundred eight thousand, five hundred seventy-eight".