53963603 has 2 divisors, whose sum is σ = 53963604. Its totient is φ = 53963602.

The previous prime is 53963599. The next prime is 53963633. The reversal of 53963603 is 30636935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53963603 - 2² = 53963599 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53963633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26981801 + 26981802.

It is an arithmetic number, because the mean of its divisors is an integer number (26981802).

Almost surely, 2^53963603 is an apocalyptic number.

53963603 is a deficient number, since it is larger than the sum of its proper divisors (1).

53963603 is an equidigital number, since it uses as much as digits as its factorization.

53963603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 35.

The square root of 53963603 is about 7345.9923087354. The cubic root of 53963603 is about 377.8913748699.

The spelling of 53963603 in words is "fifty-three million, nine hundred sixty-three thousand, six hundred three".