54258607721 has 8 divisors (see below), whose sum is σ = 55284184800. Its totient is φ = 53236562080.

The previous prime is 54258607703. The next prime is 54258607751. The reversal of 54258607721 is 12770685245.

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 54258607721 - 2²⁶ = 54191498857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54258607751) 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, 851831 + ... + 913308.

It is an arithmetic number, because the mean of its divisors is an integer number (6910523100).

Almost surely, 2^54258607721 is an apocalyptic number.

It is an amenable number.

54258607721 is a deficient number, since it is larger than the sum of its proper divisors (1025577079).

54258607721 is a wasteful number, since it uses less digits than its factorization.

54258607721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765719.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 54258607721 in words is "fifty-four billion, two hundred fifty-eight million, six hundred seven thousand, seven hundred twenty-one".