53925643 has 2 divisors, whose sum is σ = 53925644. Its totient is φ = 53925642.

The previous prime is 53925601. The next prime is 53925653. The reversal of 53925643 is 34652935.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53925643 is a prime.

It is not a weakly prime, because it can be changed into another prime (53925653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26962821 + 26962822.

It is an arithmetic number, because the mean of its divisors is an integer number (26962822).

Almost surely, 2^53925643 is an apocalyptic number.

53925643 is a deficient number, since it is larger than the sum of its proper divisors (1).

53925643 is an equidigital number, since it uses as much as digits as its factorization.

53925643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 37.

The square root of 53925643 is about 7343.4081324682. The cubic root of 53925643 is about 377.8027464818.

The spelling of 53925643 in words is "fifty-three million, nine hundred twenty-five thousand, six hundred forty-three".