54775621761715 has 8 divisors (see below), whose sum is σ = 66232507535568. Its totient is φ = 43485989795040.

The previous prime is 54775621761709. The next prime is 54775621761743. The reversal of 54775621761715 is 51716712657745.

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

It is not a de Polignac number, because 54775621761715 - 2⁵ = 54775621761683 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41813451072 + ... + 41813452381.

It is an arithmetic number, because the mean of its divisors is an integer number (8279063441946).

Almost surely, 2^{54775621761715} is an apocalyptic number.

54775621761715 is a deficient number, since it is larger than the sum of its proper divisors (11456885773853).

54775621761715 is a wasteful number, since it uses less digits than its factorization.

54775621761715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83626903589.

The product of its digits is 86436000, while the sum is 64.

The spelling of 54775621761715 in words is "fifty-four trillion, seven hundred seventy-five billion, six hundred twenty-one million, seven hundred sixty-one thousand, seven hundred fifteen".