52551071 has 2 divisors, whose sum is σ = 52551072. Its totient is φ = 52551070.

The previous prime is 52551061. The next prime is 52551077. The reversal of 52551071 is 17015525.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52551071 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 52551071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52551077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26275535 + 26275536.

It is an arithmetic number, because the mean of its divisors is an integer number (26275536).

Almost surely, 2^52551071 is an apocalyptic number.

52551071 is a deficient number, since it is larger than the sum of its proper divisors (1).

52551071 is an equidigital number, since it uses as much as digits as its factorization.

52551071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 52551071 is about 7249.2117502526. The cubic root of 52551071 is about 374.5649972183.

Adding to 52551071 its reverse (17015525), we get a palindrome (69566596).

The spelling of 52551071 in words is "fifty-two million, five hundred fifty-one thousand, seventy-one".