54287906321 has 8 divisors (see below), whose sum is σ = 59229379488. Its totient is φ = 49347468000.

The previous prime is 54287906317. The next prime is 54287906429. The reversal of 54287906321 is 12360978245.

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 54287906321 - 2² = 54287906317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54287906021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 146915 + ... + 360776.

It is an arithmetic number, because the mean of its divisors is an integer number (7403672436).

It is a 1-persistent number, because it is pandigital, but 2⋅54287906321 = 108575812642 is not.

Almost surely, 2^54287906321 is an apocalyptic number.

It is an amenable number.

54287906321 is a deficient number, since it is larger than the sum of its proper divisors (4941473167).

54287906321 is a wasteful number, since it uses less digits than its factorization.

54287906321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517423.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 54287906321 in words is "fifty-four billion, two hundred eighty-seven million, nine hundred six thousand, three hundred twenty-one".