53964403 has 2 divisors, whose sum is σ = 53964404. Its totient is φ = 53964402.

The previous prime is 53964377. The next prime is 53964457. The reversal of 53964403 is 30446935.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53964403 - 2⁹ = 53963891 is a prime.

It is a super-2 number, since 2×53964403² = 5824313582292818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53964203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26982201 + 26982202.

It is an arithmetic number, because the mean of its divisors is an integer number (26982202).

Almost surely, 2^53964403 is an apocalyptic number.

53964403 is a deficient number, since it is larger than the sum of its proper divisors (1).

53964403 is an equidigital number, since it uses as much as digits as its factorization.

53964403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 53964403 is about 7346.0467599928. The cubic root of 53964403 is about 377.8932422496.

The spelling of 53964403 in words is "fifty-three million, nine hundred sixty-four thousand, four hundred three".