53360381 has 2 divisors, whose sum is σ = 53360382. Its totient is φ = 53360380.

The previous prime is 53360357. The next prime is 53360387. The reversal of 53360381 is 18306335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37884025 + 15476356 = 6155^2 + 3934^2 .

It is a cyclic number.

It is not a de Polignac number, because 53360381 - 2⁶ = 53360317 is a prime.

It is a super-2 number, since 2×53360381² = 5694660520930322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53360387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26680190 + 26680191.

It is an arithmetic number, because the mean of its divisors is an integer number (26680191).

Almost surely, 2^53360381 is an apocalyptic number.

It is an amenable number.

53360381 is a deficient number, since it is larger than the sum of its proper divisors (1).

53360381 is an equidigital number, since it uses as much as digits as its factorization.

53360381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 53360381 is about 7304.8190258212. The cubic root of 53360381 is about 376.4780328706.

The spelling of 53360381 in words is "fifty-three million, three hundred sixty thousand, three hundred eighty-one".