54576684648 has 48 divisors (see below), whose sum is σ = 147850073280. Its totient is φ = 18187524384.

The previous prime is 54576684607. The next prime is 54576684671. The reversal of 54576684648 is 84648667545.

It is a happy number.

54576684648 is a `hidden beast` number, since 5 + 45 + 76 + 68 + 464 + 8 = 666.

It is a super-2 number, since 2×54576684648² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188161 + ... + 380207.

It is an arithmetic number, because the mean of its divisors is an integer number (3080209860).

Almost surely, 2^54576684648 is an apocalyptic number.

It is an amenable number.

54576684648 is an abundant number, since it is smaller than the sum of its proper divisors (93273388632).

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

54576684648 is a wasteful number, since it uses less digits than its factorization.

54576684648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196006 (or 195999 counting only the distinct ones).

The product of its digits is 154828800, while the sum is 63.

The spelling of 54576684648 in words is "fifty-four billion, five hundred seventy-six million, six hundred eighty-four thousand, six hundred forty-eight".