52161220510 has 16 divisors (see below), whose sum is σ = 107303082336. Its totient is φ = 17883847008.

The previous prime is 52161220471. The next prime is 52161220537. The reversal of 52161220510 is 1502216125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372580077 + ... + 372580216.

It is an arithmetic number, because the mean of its divisors is an integer number (6706442646).

Almost surely, 2^52161220510 is an apocalyptic number.

52161220510 is an abundant number, since it is smaller than the sum of its proper divisors (55141861826).

52161220510 is a wasteful number, since it uses less digits than its factorization.

52161220510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745160307.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 52161220510 its reverse (1502216125), we get a palindrome (53663436635).

The spelling of 52161220510 in words is "fifty-two billion, one hundred sixty-one million, two hundred twenty thousand, five hundred ten".