53889503 has 2 divisors, whose sum is σ = 53889504. Its totient is φ = 53889502.

The previous prime is 53889463. The next prime is 53889509. The reversal of 53889503 is 30598835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53889503 - 2⁸ = 53889247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53889509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26944751 + 26944752.

It is an arithmetic number, because the mean of its divisors is an integer number (26944752).

Almost surely, 2^53889503 is an apocalyptic number.

53889503 is a deficient number, since it is larger than the sum of its proper divisors (1).

53889503 is an equidigital number, since it uses as much as digits as its factorization.

53889503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 53889503 is about 7340.9470097529. The cubic root of 53889503 is about 377.7183287428.

The spelling of 53889503 in words is "fifty-three million, eight hundred eighty-nine thousand, five hundred three".