54864281 has 2 divisors, whose sum is σ = 54864282. Its totient is φ = 54864280.

The previous prime is 54864263. The next prime is 54864301. The reversal of 54864281 is 18246845.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50537881 + 4326400 = 7109^2 + 2080^2 .

It is a cyclic number.

It is not a de Polignac number, because 54864281 - 2⁶ = 54864217 is a prime.

It is a super-2 number, since 2×54864281² = 6020178659293922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54864211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27432140 + 27432141.

It is an arithmetic number, because the mean of its divisors is an integer number (27432141).

Almost surely, 2^54864281 is an apocalyptic number.

It is an amenable number.

54864281 is a deficient number, since it is larger than the sum of its proper divisors (1).

54864281 is an equidigital number, since it uses as much as digits as its factorization.

54864281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61440, while the sum is 38.

The square root of 54864281 is about 7407.0426622236. The cubic root of 54864281 is about 379.9821806048.

The spelling of 54864281 in words is "fifty-four million, eight hundred sixty-four thousand, two hundred eighty-one".