52522805 has 4 divisors (see below), whose sum is σ = 63027372. Its totient is φ = 42018240.

The previous prime is 52522759. The next prime is 52522807. The reversal of 52522805 is 50822525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36857041 + 15665764 = 6071^2 + 3958^2 .

It is not a de Polignac number, because 52522805 - 2¹² = 52518709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52522807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5252276 + ... + 5252285.

It is an arithmetic number, because the mean of its divisors is an integer number (15756843).

Almost surely, 2^52522805 is an apocalyptic number.

It is an amenable number.

52522805 is a deficient number, since it is larger than the sum of its proper divisors (10504567).

52522805 is a wasteful number, since it uses less digits than its factorization.

52522805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10504566.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 52522805 is about 7247.2618967442. The cubic root of 52522805 is about 374.4978285712.

The spelling of 52522805 in words is "fifty-two million, five hundred twenty-two thousand, eight hundred five".