52512550445 has 4 divisors (see below), whose sum is σ = 63015060540. Its totient is φ = 42010040352.

The previous prime is 52512550421. The next prime is 52512550451. The reversal of 52512550445 is 54405521525.

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 35989504681 + 16523045764 = 189709^2 + 128542^2 .

It is a cyclic number.

It is not a de Polignac number, because 52512550445 - 2⁶ = 52512550381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52512550399 and 52512550408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5251255040 + ... + 5251255049.

It is an arithmetic number, because the mean of its divisors is an integer number (15753765135).

Almost surely, 2^52512550445 is an apocalyptic number.

It is an amenable number.

52512550445 is a deficient number, since it is larger than the sum of its proper divisors (10502510095).

52512550445 is a wasteful number, since it uses less digits than its factorization.

52512550445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10502510094.

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 52512550445 in words is "fifty-two billion, five hundred twelve million, five hundred fifty thousand, four hundred forty-five".