54221361 has 8 divisors (see below), whose sum is σ = 72375744. Its totient is φ = 36107280.

The previous prime is 54221359. The next prime is 54221371. The reversal of 54221361 is 16312245.

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

It is not a de Polignac number, because 54221361 - 2¹ = 54221359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54221341) 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, 6781 + ... + 12426.

It is an arithmetic number, because the mean of its divisors is an integer number (9046968).

Almost surely, 2^54221361 is an apocalyptic number.

It is an amenable number.

54221361 is a deficient number, since it is larger than the sum of its proper divisors (18154383).

54221361 is a wasteful number, since it uses less digits than its factorization.

54221361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20151.

The product of its digits is 1440, while the sum is 24.

The square root of 54221361 is about 7363.5155326787. The cubic root of 54221361 is about 378.4920874804.

The spelling of 54221361 in words is "fifty-four million, two hundred twenty-one thousand, three hundred sixty-one".