53775047 has 2 divisors, whose sum is σ = 53775048. Its totient is φ = 53775046.

The previous prime is 53775031. The next prime is 53775061. The reversal of 53775047 is 74057735.

53775047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53775047 - 2⁴ = 53775031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53775047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53775017) 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, 26887523 + 26887524.

It is an arithmetic number, because the mean of its divisors is an integer number (26887524).

Almost surely, 2^53775047 is an apocalyptic number.

53775047 is a deficient number, since it is larger than the sum of its proper divisors (1).

53775047 is an equidigital number, since it uses as much as digits as its factorization.

53775047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102900, while the sum is 38.

The square root of 53775047 is about 7333.1471415757. The cubic root of 53775047 is about 377.4507270163.

The spelling of 53775047 in words is "fifty-three million, seven hundred seventy-five thousand, forty-seven".