53552791 has 2 divisors, whose sum is σ = 53552792. Its totient is φ = 53552790.

The previous prime is 53552783. The next prime is 53552797. The reversal of 53552791 is 19725535.

It is a happy number.

53552791 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 53552791 - 2³ = 53552783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53552791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53552797) 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, 26776395 + 26776396.

It is an arithmetic number, because the mean of its divisors is an integer number (26776396).

Almost surely, 2^53552791 is an apocalyptic number.

53552791 is a deficient number, since it is larger than the sum of its proper divisors (1).

53552791 is an equidigital number, since it uses as much as digits as its factorization.

53552791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47250, while the sum is 37.

The square root of 53552791 is about 7317.9772478466. The cubic root of 53552791 is about 376.9299989406.

The spelling of 53552791 in words is "fifty-three million, five hundred fifty-two thousand, seven hundred ninety-one".