54721674668 has 24 divisors (see below), whose sum is σ = 96041635200. Its totient is φ = 27281303168.

The previous prime is 54721674661. The next prime is 54721674673. The reversal of 54721674668 is 86647612745.

It is not an unprimeable number, because it can be changed into a prime (54721674661) 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, 2458646 + ... + 2480802.

It is an arithmetic number, because the mean of its divisors is an integer number (4001734800).

Almost surely, 2^54721674668 is an apocalyptic number.

It is an amenable number.

54721674668 is a deficient number, since it is larger than the sum of its proper divisors (41319960532).

54721674668 is a wasteful number, since it uses less digits than its factorization.

54721674668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23929 (or 23927 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 56.

The spelling of 54721674668 in words is "fifty-four billion, seven hundred twenty-one million, six hundred seventy-four thousand, six hundred sixty-eight".