53361947 has 2 divisors, whose sum is σ = 53361948. Its totient is φ = 53361946.

The previous prime is 53361941. The next prime is 53361983. The reversal of 53361947 is 74916335.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53361947 - 2⁶ = 53361883 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53361947.

It is not a weakly prime, because it can be changed into another prime (53361941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26680973 + 26680974.

It is an arithmetic number, because the mean of its divisors is an integer number (26680974).

Almost surely, 2^53361947 is an apocalyptic number.

53361947 is a deficient number, since it is larger than the sum of its proper divisors (1).

53361947 is an equidigital number, since it uses as much as digits as its factorization.

53361947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 38.

The square root of 53361947 is about 7304.9262145486. The cubic root of 53361947 is about 376.4817157456.

The spelling of 53361947 in words is "fifty-three million, three hundred sixty-one thousand, nine hundred forty-seven".