53953975903 has 2 divisors, whose sum is σ = 53953975904. Its totient is φ = 53953975902.

The previous prime is 53953975861. The next prime is 53953975909. The reversal of 53953975903 is 30957935935.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53953975903 is a prime.

It is a super-2 number, since 2×53953975903² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53953975909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26976987951 + 26976987952.

It is an arithmetic number, because the mean of its divisors is an integer number (26976987952).

Almost surely, 2^53953975903 is an apocalyptic number.

53953975903 is a deficient number, since it is larger than the sum of its proper divisors (1).

53953975903 is an equidigital number, since it uses as much as digits as its factorization.

53953975903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17222625, while the sum is 58.

The spelling of 53953975903 in words is "fifty-three billion, nine hundred fifty-three million, nine hundred seventy-five thousand, nine hundred three".