55716948864 has 48 divisors (see below), whose sum is σ = 160331327520. Its totient is φ = 18572315904.

The previous prime is 55716948863. The next prime is 55716948869. The reversal of 55716948864 is 46884961755.

55716948864 is a `hidden beast` number, since 557 + 16 + 9 + 4 + 8 + 8 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55716948863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24181552 + ... + 24183855.

It is an arithmetic number, because the mean of its divisors is an integer number (3340235990).

Almost surely, 2^55716948864 is an apocalyptic number.

It is an amenable number.

55716948864 is an abundant number, since it is smaller than the sum of its proper divisors (104614378656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55716948864 is a wasteful number, since it uses less digits than its factorization.

55716948864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48365427 (or 48365412 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 63.

The spelling of 55716948864 in words is "fifty-five billion, seven hundred sixteen million, nine hundred forty-eight thousand, eight hundred sixty-four".