54020257 has 2 divisors, whose sum is σ = 54020258. Its totient is φ = 54020256.

The previous prime is 54020221. The next prime is 54020269. The reversal of 54020257 is 75202045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34386496 + 19633761 = 5864^2 + 4431^2 .

It is a cyclic number.

It is not a de Polignac number, because 54020257 - 2⁷ = 54020129 is a prime.

It is not a weakly prime, because it can be changed into another prime (54020297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27010128 + 27010129.

It is an arithmetic number, because the mean of its divisors is an integer number (27010129).

Almost surely, 2^54020257 is an apocalyptic number.

It is an amenable number.

54020257 is a deficient number, since it is larger than the sum of its proper divisors (1).

54020257 is an equidigital number, since it uses as much as digits as its factorization.

54020257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 54020257 is about 7349.8474133821. The cubic root of 54020257 is about 378.0235724314.

The spelling of 54020257 in words is "fifty-four million, twenty thousand, two hundred fifty-seven".