54022281 has 8 divisors (see below), whose sum is σ = 72221280. Its totient is φ = 35919072.

The previous prime is 54022261. The next prime is 54022289. The reversal of 54022281 is 18222045.

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

It is not a de Polignac number, because 54022281 - 2⁶ = 54022217 is a prime.

It is a super-2 number, since 2×54022281² = 5836813688885922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54022289) 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, 22620 + ... + 24893.

It is an arithmetic number, because the mean of its divisors is an integer number (9027660).

Almost surely, 2^54022281 is an apocalyptic number.

It is an amenable number.

54022281 is a deficient number, since it is larger than the sum of its proper divisors (18198999).

54022281 is a wasteful number, since it uses less digits than its factorization.

54022281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47895.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 54022281 is about 7349.9851020257. The cubic root of 54022281 is about 378.0282935626.

The spelling of 54022281 in words is "fifty-four million, twenty-two thousand, two hundred eighty-one".