53315651 has 2 divisors, whose sum is σ = 53315652. Its totient is φ = 53315650.

The previous prime is 53315641. The next prime is 53315677. The reversal of 53315651 is 15651335.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53315651 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53315611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26657825 + 26657826.

It is an arithmetic number, because the mean of its divisors is an integer number (26657826).

Almost surely, 2^53315651 is an apocalyptic number.

53315651 is a deficient number, since it is larger than the sum of its proper divisors (1).

53315651 is an equidigital number, since it uses as much as digits as its factorization.

53315651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6750, while the sum is 29.

The square root of 53315651 is about 7301.7567064372. The cubic root of 53315651 is about 376.3728076724.

Adding to 53315651 its reverse (15651335), we get a palindrome (68966986).

The spelling of 53315651 in words is "fifty-three million, three hundred fifteen thousand, six hundred fifty-one".