54895051821 has 8 divisors (see below), whose sum is σ = 73245726400. Its totient is φ = 36570539232.

The previous prime is 54895051801. The next prime is 54895051829. The reversal of 54895051821 is 12815059845.

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

It is not a de Polignac number, because 54895051821 - 2¹⁹ = 54894527533 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 (54895051829) 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, 6535600 + ... + 6543993.

It is an arithmetic number, because the mean of its divisors is an integer number (9155715800).

Almost surely, 2^54895051821 is an apocalyptic number.

It is an amenable number.

54895051821 is a deficient number, since it is larger than the sum of its proper divisors (18350674579).

54895051821 is a wasteful number, since it uses less digits than its factorization.

54895051821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13080995.

The product of its (nonzero) digits is 576000, while the sum is 48.

The spelling of 54895051821 in words is "fifty-four billion, eight hundred ninety-five million, fifty-one thousand, eight hundred twenty-one".