54532281 has 8 divisors (see below), whose sum is σ = 72959040. Its totient is φ = 36230192.

The previous prime is 54532279. The next prime is 54532301. The reversal of 54532281 is 18223545.

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 54532281 - 2¹ = 54532279 is a prime.

It is a super-2 number, since 2×54532281² = 5947539342125922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54532211) 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, 30141 + ... + 31898.

It is an arithmetic number, because the mean of its divisors is an integer number (9119880).

Almost surely, 2^54532281 is an apocalyptic number.

It is an amenable number.

54532281 is a deficient number, since it is larger than the sum of its proper divisors (18426759).

54532281 is a wasteful number, since it uses less digits than its factorization.

54532281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62335.

The product of its digits is 9600, while the sum is 30.

The square root of 54532281 is about 7384.5975516612. The cubic root of 54532281 is about 379.2141678175.

The spelling of 54532281 in words is "fifty-four million, five hundred thirty-two thousand, two hundred eighty-one".