54640347602775 has 48 divisors (see below), whose sum is σ = 98577237617280. Its totient is φ = 26485322070400.

The previous prime is 54640347602723. The next prime is 54640347602801. The reversal of 54640347602775 is 57720674304645.

It is not a de Polignac number, because 54640347602775 - 2⁹ = 54640347602263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5570220 + ... + 11845169.

It is an arithmetic number, because the mean of its divisors is an integer number (2053692450360).

Almost surely, 2^{54640347602775} is an apocalyptic number.

54640347602775 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54640347602775 is a deficient number, since it is larger than the sum of its proper divisors (43936890014505).

54640347602775 is a wasteful number, since it uses less digits than its factorization.

54640347602775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17419216 (or 17419211 counting only the distinct ones).

The product of its (nonzero) digits is 118540800, while the sum is 60.

The spelling of 54640347602775 in words is "fifty-four trillion, six hundred forty billion, three hundred forty-seven million, six hundred two thousand, seven hundred seventy-five".