54721116072 has 48 divisors (see below), whose sum is σ = 169374884640. Its totient is φ = 15634604448.

The previous prime is 54721116059. The next prime is 54721116101. The reversal of 54721116072 is 27061112745.

54721116072 is a `hidden beast` number, since 5 + 47 + 2 + 1 + 1 + 1 + 607 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 54286318 + ... + 54287325.

It is an arithmetic number, because the mean of its divisors is an integer number (3528643430).

Almost surely, 2^54721116072 is an apocalyptic number.

It is an amenable number.

54721116072 is an abundant number, since it is smaller than the sum of its proper divisors (114653768568).

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

54721116072 is a wasteful number, since it uses less digits than its factorization.

54721116072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108573662 (or 108573655 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The spelling of 54721116072 in words is "fifty-four billion, seven hundred twenty-one million, one hundred sixteen thousand, seventy-two".