54002257 has 2 divisors, whose sum is σ = 54002258. Its totient is φ = 54002256.

The previous prime is 54002233. The next prime is 54002297. The reversal of 54002257 is 75220045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33535681 + 20466576 = 5791^2 + 4524^2 .

It is a cyclic number.

It is not a de Polignac number, because 54002257 - 2¹¹ = 54000209 is a prime.

It is a super-2 number, since 2×54002257² = 5832487522188098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54002227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27001128 + 27001129.

It is an arithmetic number, because the mean of its divisors is an integer number (27001129).

Almost surely, 2^54002257 is an apocalyptic number.

It is an amenable number.

54002257 is a deficient number, since it is larger than the sum of its proper divisors (1).

54002257 is an equidigital number, since it uses as much as digits as its factorization.

54002257 is an odious number, because the sum of its binary digits is odd.

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

The square root of 54002257 is about 7348.6227961435. The cubic root of 54002257 is about 377.9815808984.

The spelling of 54002257 in words is "fifty-four million, two thousand, two hundred fifty-seven".