54916321 has 8 divisors (see below), whose sum is σ = 56064960. Its totient is φ = 53771952.

The previous prime is 54916247. The next prime is 54916331. The reversal of 54916321 is 12361945.

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 54916321 - 2²⁵ = 21361889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54916331) 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, 42990 + ... + 44248.

It is an arithmetic number, because the mean of its divisors is an integer number (7008120).

Almost surely, 2^54916321 is an apocalyptic number.

It is an amenable number.

54916321 is a deficient number, since it is larger than the sum of its proper divisors (1148639).

54916321 is a wasteful number, since it uses less digits than its factorization.

54916321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135.

The product of its digits is 6480, while the sum is 31.

The square root of 54916321 is about 7410.5547025847. The cubic root of 54916321 is about 380.1022831773.

The spelling of 54916321 in words is "fifty-four million, nine hundred sixteen thousand, three hundred twenty-one".