53503859 has 2 divisors, whose sum is σ = 53503860. Its totient is φ = 53503858.

The previous prime is 53503847. The next prime is 53503889. The reversal of 53503859 is 95830535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53503859 - 2⁸ = 53503603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53503889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26751929 + 26751930.

It is an arithmetic number, because the mean of its divisors is an integer number (26751930).

Almost surely, 2^53503859 is an apocalyptic number.

53503859 is a deficient number, since it is larger than the sum of its proper divisors (1).

53503859 is an equidigital number, since it uses as much as digits as its factorization.

53503859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 53503859 is about 7314.6332102164. The cubic root of 53503859 is about 376.8151617322.

The spelling of 53503859 in words is "fifty-three million, five hundred three thousand, eight hundred fifty-nine".