52651291522 has 8 divisors (see below), whose sum is σ = 80903204172. Its totient is φ = 25683556800.

The previous prime is 52651291507. The next prime is 52651291559. The reversal of 52651291522 is 22519215625.

It can be written as a sum of positive squares in 2 ways, for example, as 52495516161 + 155775361 = 229119^2 + 12481^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321044379 + ... + 321044542.

Almost surely, 2^52651291522 is an apocalyptic number.

52651291522 is a deficient number, since it is larger than the sum of its proper divisors (28251912650).

52651291522 is a wasteful number, since it uses less digits than its factorization.

52651291522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642088964.

The product of its digits is 108000, while the sum is 40.

The spelling of 52651291522 in words is "fifty-two billion, six hundred fifty-one million, two hundred ninety-one thousand, five hundred twenty-two".