51652771 has 2 divisors, whose sum is σ = 51652772. Its totient is φ = 51652770.

The previous prime is 51652759. The next prime is 51652781. The reversal of 51652771 is 17725615.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51652771 - 2⁵ = 51652739 is a prime.

It is not a weakly prime, because it can be changed into another prime (51652751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25826385 + 25826386.

It is an arithmetic number, because the mean of its divisors is an integer number (25826386).

Almost surely, 2^51652771 is an apocalyptic number.

51652771 is a deficient number, since it is larger than the sum of its proper divisors (1).

51652771 is an equidigital number, since it uses as much as digits as its factorization.

51652771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14700, while the sum is 34.

The square root of 51652771 is about 7186.9862251155. The cubic root of 51652771 is about 372.4184672086.

The spelling of 51652771 in words is "fifty-one million, six hundred fifty-two thousand, seven hundred seventy-one".