53623771 has 2 divisors, whose sum is σ = 53623772. Its totient is φ = 53623770.

The previous prime is 53623753. The next prime is 53623781. The reversal of 53623771 is 17732635.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53623771 - 2⁹ = 53623259 is a prime.

It is not a weakly prime, because it can be changed into another prime (53623711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26811885 + 26811886.

It is an arithmetic number, because the mean of its divisors is an integer number (26811886).

Almost surely, 2^53623771 is an apocalyptic number.

53623771 is a deficient number, since it is larger than the sum of its proper divisors (1).

53623771 is an equidigital number, since it uses as much as digits as its factorization.

53623771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 34.

The square root of 53623771 is about 7322.8253427212. The cubic root of 53623771 is about 377.0964557470.

The spelling of 53623771 in words is "fifty-three million, six hundred twenty-three thousand, seven hundred seventy-one".