53397667 has 2 divisors, whose sum is σ = 53397668. Its totient is φ = 53397666.

The previous prime is 53397637. The next prime is 53397713. The reversal of 53397667 is 76679335.

53397667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (53397713) can be obtained adding 53397667 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53397667 is a prime.

It is not a weakly prime, because it can be changed into another prime (53397607) 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, 26698833 + 26698834.

It is an arithmetic number, because the mean of its divisors is an integer number (26698834).

Almost surely, 2^53397667 is an apocalyptic number.

53397667 is a deficient number, since it is larger than the sum of its proper divisors (1).

53397667 is an equidigital number, since it uses as much as digits as its factorization.

53397667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 714420, while the sum is 46.

The square root of 53397667 is about 7307.3707309812. The cubic root of 53397667 is about 376.5657014827.

The spelling of 53397667 in words is "fifty-three million, three hundred ninety-seven thousand, six hundred sixty-seven".