54821746121 has 8 divisors (see below), whose sum is σ = 57892660800. Its totient is φ = 51769387440.

The previous prime is 54821746093. The next prime is 54821746151. The reversal of 54821746121 is 12164712845.

54821746121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54821746121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54821746151) 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, 4632926 + ... + 4644743.

It is an arithmetic number, because the mean of its divisors is an integer number (7236582600).

Almost surely, 2^54821746121 is an apocalyptic number.

It is an amenable number.

54821746121 is a deficient number, since it is larger than the sum of its proper divisors (3070914679).

54821746121 is a wasteful number, since it uses less digits than its factorization.

54821746121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9277999.

The product of its digits is 107520, while the sum is 41.

The spelling of 54821746121 in words is "fifty-four billion, eight hundred twenty-one million, seven hundred forty-six thousand, one hundred twenty-one".