53360257 has 2 divisors, whose sum is σ = 53360258. Its totient is φ = 53360256.

The previous prime is 53360233. The next prime is 53360273. The reversal of 53360257 is 75206335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53056656 + 303601 = 7284^2 + 551^2 .

It is a cyclic number.

It is not a de Polignac number, because 53360257 - 2⁷ = 53360129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53360057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26680128 + 26680129.

It is an arithmetic number, because the mean of its divisors is an integer number (26680129).

Almost surely, 2^53360257 is an apocalyptic number.

It is an amenable number.

53360257 is a deficient number, since it is larger than the sum of its proper divisors (1).

53360257 is an equidigital number, since it uses as much as digits as its factorization.

53360257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 53360257 is about 7304.8105382686. The cubic root of 53360257 is about 376.4777412478.

The spelling of 53360257 in words is "fifty-three million, three hundred sixty thousand, two hundred fifty-seven".