53497603 has 2 divisors, whose sum is σ = 53497604. Its totient is φ = 53497602.

The previous prime is 53497553. The next prime is 53497621. The reversal of 53497603 is 30679435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53497603 - 2¹³ = 53489411 is a prime.

It is not a weakly prime, because it can be changed into another prime (53497643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26748801 + 26748802.

It is an arithmetic number, because the mean of its divisors is an integer number (26748802).

Almost surely, 2^53497603 is an apocalyptic number.

53497603 is a deficient number, since it is larger than the sum of its proper divisors (1).

53497603 is an equidigital number, since it uses as much as digits as its factorization.

53497603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 53497603 is about 7314.2055617818. The cubic root of 53497603 is about 376.8004746449.

The spelling of 53497603 in words is "fifty-three million, four hundred ninety-seven thousand, six hundred three".