53323651 has 2 divisors, whose sum is σ = 53323652. Its totient is φ = 53323650.

The previous prime is 53323649. The next prime is 53323661. The reversal of 53323651 is 15632335.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53323651 - 2¹ = 53323649 is a prime.

Together with 53323649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53323631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26661825 + 26661826.

It is an arithmetic number, because the mean of its divisors is an integer number (26661826).

Almost surely, 2^53323651 is an apocalyptic number.

53323651 is a deficient number, since it is larger than the sum of its proper divisors (1).

53323651 is an equidigital number, since it uses as much as digits as its factorization.

53323651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 28.

The square root of 53323651 is about 7302.3044992660. The cubic root of 53323651 is about 376.3916316126.

Adding to 53323651 its reverse (15632335), we get a palindrome (68955986).

The spelling of 53323651 in words is "fifty-three million, three hundred twenty-three thousand, six hundred fifty-one".