53922647 has 2 divisors, whose sum is σ = 53922648. Its totient is φ = 53922646.

The previous prime is 53922641. The next prime is 53922689. The reversal of 53922647 is 74622935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53922647 - 2⁸ = 53922391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53922647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53922641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26961323 + 26961324.

It is an arithmetic number, because the mean of its divisors is an integer number (26961324).

Almost surely, 2^53922647 is an apocalyptic number.

53922647 is a deficient number, since it is larger than the sum of its proper divisors (1).

53922647 is an equidigital number, since it uses as much as digits as its factorization.

53922647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 53922647 is about 7343.2041371597. The cubic root of 53922647 is about 377.7957496993.

The spelling of 53922647 in words is "fifty-three million, nine hundred twenty-two thousand, six hundred forty-seven".