54228533 has 2 divisors, whose sum is σ = 54228534. Its totient is φ = 54228532.

The previous prime is 54228509. The next prime is 54228539. The reversal of 54228533 is 33582245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48762289 + 5466244 = 6983^2 + 2338^2 .

It is a cyclic number.

It is not a de Polignac number, because 54228533 - 2¹⁸ = 53966389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54228533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54228539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27114266 + 27114267.

It is an arithmetic number, because the mean of its divisors is an integer number (27114267).

Almost surely, 2^54228533 is an apocalyptic number.

It is an amenable number.

54228533 is a deficient number, since it is larger than the sum of its proper divisors (1).

54228533 is an equidigital number, since it uses as much as digits as its factorization.

54228533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 32.

The square root of 54228533 is about 7364.0025122212. The cubic root of 54228533 is about 378.5087747879.

The spelling of 54228533 in words is "fifty-four million, two hundred twenty-eight thousand, five hundred thirty-three".