53011771 has 2 divisors, whose sum is σ = 53011772. Its totient is φ = 53011770.

The previous prime is 53011727. The next prime is 53011789. The reversal of 53011771 is 17711035.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53011771 is a prime.

It is not a weakly prime, because it can be changed into another prime (53011171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26505885 + 26505886.

It is an arithmetic number, because the mean of its divisors is an integer number (26505886).

Almost surely, 2^53011771 is an apocalyptic number.

53011771 is a deficient number, since it is larger than the sum of its proper divisors (1).

53011771 is an equidigital number, since it uses as much as digits as its factorization.

53011771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 735, while the sum is 25.

The square root of 53011771 is about 7280.9182799974. The cubic root of 53011771 is about 375.6563816905.

The spelling of 53011771 in words is "fifty-three million, eleven thousand, seven hundred seventy-one".