53963353 has 4 divisors (see below), whose sum is σ = 55421860. Its totient is φ = 52504848.

The previous prime is 53963317. The next prime is 53963383. The reversal of 53963353 is 35336935.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33605209 + 20358144 = 5797^2 + 4512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53963353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 1458469 = 53963353 / (5 + 3 + 9 + 6 + 3 + 3 + 5 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53963303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729198 + ... + 729271.

It is an arithmetic number, because the mean of its divisors is an integer number (13855465).

Almost surely, 2^53963353 is an apocalyptic number.

It is an amenable number.

53963353 is a deficient number, since it is larger than the sum of its proper divisors (1458507).

53963353 is a wasteful number, since it uses less digits than its factorization.

53963353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458506.

The product of its digits is 109350, while the sum is 37.

The square root of 53963353 is about 7345.9752926347. The cubic root of 53963353 is about 377.8907913100.

The spelling of 53963353 in words is "fifty-three million, nine hundred sixty-three thousand, three hundred fifty-three".