54445124821 has 8 divisors (see below), whose sum is σ = 54713698688. Its totient is φ = 54176904000.

The previous prime is 54445124809. The next prime is 54445124831. The reversal of 54445124821 is 12842154445.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 54445124821 - 2⁹ = 54445124309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54445124831) 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, 223636 + ... + 398626.

It is an arithmetic number, because the mean of its divisors is an integer number (6839212336).

Almost surely, 2^54445124821 is an apocalyptic number.

It is an amenable number.

54445124821 is a deficient number, since it is larger than the sum of its proper divisors (268573867).

54445124821 is a wasteful number, since it uses less digits than its factorization.

54445124821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176523.

The product of its digits is 204800, while the sum is 40.

The spelling of 54445124821 in words is "fifty-four billion, four hundred forty-five million, one hundred twenty-four thousand, eight hundred twenty-one".