53990353 has 2 divisors, whose sum is σ = 53990354. Its totient is φ = 53990352.

The previous prime is 53990341. The next prime is 53990371. The reversal of 53990353 is 35309935.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52533504 + 1456849 = 7248^2 + 1207^2 .

It is a cyclic number.

It is not a de Polignac number, because 53990353 - 2¹³ = 53982161 is a prime.

It is not a weakly prime, because it can be changed into another prime (53990333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26995176 + 26995177.

It is an arithmetic number, because the mean of its divisors is an integer number (26995177).

Almost surely, 2^53990353 is an apocalyptic number.

It is an amenable number.

53990353 is a deficient number, since it is larger than the sum of its proper divisors (1).

53990353 is an equidigital number, since it uses as much as digits as its factorization.

53990353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54675, while the sum is 37.

The square root of 53990353 is about 7347.8128038213. The cubic root of 53990353 is about 377.9538053717.

The spelling of 53990353 in words is "fifty-three million, nine hundred ninety thousand, three hundred fifty-three".