53723387 has 2 divisors, whose sum is σ = 53723388. Its totient is φ = 53723386.

The previous prime is 53723363. The next prime is 53723419. The reversal of 53723387 is 78332735.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53723387 - 2⁶ = 53723323 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 53723387.

It is not a weakly prime, because it can be changed into another prime (53722387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26861693 + 26861694.

It is an arithmetic number, because the mean of its divisors is an integer number (26861694).

Almost surely, 2^53723387 is an apocalyptic number.

53723387 is a deficient number, since it is larger than the sum of its proper divisors (1).

53723387 is an equidigital number, since it uses as much as digits as its factorization.

53723387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 38.

The square root of 53723387 is about 7329.6239330541. The cubic root of 53723387 is about 377.3298199349.

The spelling of 53723387 in words is "fifty-three million, seven hundred twenty-three thousand, three hundred eighty-seven".