53005651 has 2 divisors, whose sum is σ = 53005652. Its totient is φ = 53005650.

The previous prime is 53005621. The next prime is 53005663. The reversal of 53005651 is 15650035.

53005651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53005651 is a prime.

It is not a weakly prime, because it can be changed into another prime (53005621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26502825 + 26502826.

It is an arithmetic number, because the mean of its divisors is an integer number (26502826).

Almost surely, 2^53005651 is an apocalyptic number.

53005651 is a deficient number, since it is larger than the sum of its proper divisors (1).

53005651 is an equidigital number, since it uses as much as digits as its factorization.

53005651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 53005651 is about 7280.4979912091. The cubic root of 53005651 is about 375.6419251180.

Adding to 53005651 its reverse (15650035), we get a palindrome (68655686).

The spelling of 53005651 in words is "fifty-three million, five thousand, six hundred fifty-one".