53772571 has 2 divisors, whose sum is σ = 53772572. Its totient is φ = 53772570.

The previous prime is 53772553. The next prime is 53772577. The reversal of 53772571 is 17527735.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53772571 - 2⁵ = 53772539 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 53772571.

It is not a weakly prime, because it can be changed into another prime (53772577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26886285 + 26886286.

It is an arithmetic number, because the mean of its divisors is an integer number (26886286).

Almost surely, 2^53772571 is an apocalyptic number.

53772571 is a deficient number, since it is larger than the sum of its proper divisors (1).

53772571 is an equidigital number, since it uses as much as digits as its factorization.

53772571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51450, while the sum is 37.

The square root of 53772571 is about 7332.9783171642. The cubic root of 53772571 is about 377.4449338564. Note that the first 3 decimals are identical.

The spelling of 53772571 in words is "fifty-three million, seven hundred seventy-two thousand, five hundred seventy-one".