52221510445 has 8 divisors (see below), whose sum is σ = 67486259736. Its totient is φ = 38563576896.

The previous prime is 52221510437. The next prime is 52221510479. The reversal of 52221510445 is 54401512225.

It can be written as a sum of positive squares in 4 ways, for example, as 6690912804 + 45530597641 = 81798^2 + 213379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52221510445 - 2³ = 52221510437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401703862 + ... + 401703991.

It is an arithmetic number, because the mean of its divisors is an integer number (8435782467).

Almost surely, 2^52221510445 is an apocalyptic number.

It is an amenable number.

52221510445 is a deficient number, since it is larger than the sum of its proper divisors (15264749291).

52221510445 is a wasteful number, since it uses less digits than its factorization.

52221510445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803407871.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 52221510445 in words is "fifty-two billion, two hundred twenty-one million, five hundred ten thousand, four hundred forty-five".