52612821626 has 8 divisors (see below), whose sum is σ = 79700611284. Its totient is φ = 26045951200.

The previous prime is 52612821589. The next prime is 52612821649. The reversal of 52612821626 is 62612821625.

It can be written as a sum of positive squares in 2 ways, for example, as 32998539025 + 19614282601 = 181655^2 + 140051^2 .

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, 130229555 + ... + 130229958.

Almost surely, 2^52612821626 is an apocalyptic number.

52612821626 is a deficient number, since it is larger than the sum of its proper divisors (27087789658).

52612821626 is a wasteful number, since it uses less digits than its factorization.

52612821626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260459616.

The product of its digits is 138240, while the sum is 41.

Subtracting 52612821626 from its reverse (62612821625), we obtain a palindrome (9999999999).

The spelling of 52612821626 in words is "fifty-two billion, six hundred twelve million, eight hundred twenty-one thousand, six hundred twenty-six".