54680335920 has 120 divisors (see below), whose sum is σ = 209868356256. Its totient is φ = 12498361344.

The previous prime is 54680335877. The next prime is 54680335943. The reversal of 54680335920 is 2953308645.

54680335920 is a `hidden beast` number, since 54 + 6 + 8 + 0 + 3 + 3 + 592 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5419597 + ... + 5429676.

Almost surely, 2^54680335920 is an apocalyptic number.

It is an amenable number.

54680335920 is an abundant number, since it is smaller than the sum of its proper divisors (155188020336).

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

54680335920 is a wasteful number, since it uses less digits than its factorization.

54680335920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10849299 (or 10849290 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 54680335920 in words is "fifty-four billion, six hundred eighty million, three hundred thirty-five thousand, nine hundred twenty".