53353381 has 2 divisors, whose sum is σ = 53353382. Its totient is φ = 53353380.

The previous prime is 53353369. The next prime is 53353393. The reversal of 53353381 is 18335335.

It is a balanced prime because it is at equal distance from previous prime (53353369) and next prime (53353393).

It can be written as a sum of positive squares in only one way, i.e., 42693156 + 10660225 = 6534^2 + 3265^2 .

It is a cyclic number.

It is not a de Polignac number, because 53353381 - 2⁷ = 53353253 is a prime.

It is a super-2 number, since 2×53353381² = 5693166528262322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53353481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26676690 + 26676691.

It is an arithmetic number, because the mean of its divisors is an integer number (26676691).

Almost surely, 2^53353381 is an apocalyptic number.

It is an amenable number.

53353381 is a deficient number, since it is larger than the sum of its proper divisors (1).

53353381 is an equidigital number, since it uses as much as digits as its factorization.

53353381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 31.

The square root of 53353381 is about 7304.3398743487. The cubic root of 53353381 is about 376.4615695857.

The spelling of 53353381 in words is "fifty-three million, three hundred fifty-three thousand, three hundred eighty-one".