53752591 has 2 divisors, whose sum is σ = 53752592. Its totient is φ = 53752590.

The previous prime is 53752583. The next prime is 53752597. The reversal of 53752591 is 19525735.

It is a happy number.

53752591 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 53752591 - 2³ = 53752583 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 53752591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53752597) 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, 26876295 + 26876296.

It is an arithmetic number, because the mean of its divisors is an integer number (26876296).

Almost surely, 2^53752591 is an apocalyptic number.

53752591 is a deficient number, since it is larger than the sum of its proper divisors (1).

53752591 is an equidigital number, since it uses as much as digits as its factorization.

53752591 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 53752591 is about 7331.6158519115. The cubic root of 53752591 is about 377.3981796354.

The spelling of 53752591 in words is "fifty-three million, seven hundred fifty-two thousand, five hundred ninety-one".