52905286120 has 32 divisors (see below), whose sum is σ = 119135137320. Its totient is φ = 21144648960.

The previous prime is 52905286103. The next prime is 52905286121. The reversal of 52905286120 is 2168250925.

It can be written as a sum of positive squares in 4 ways, for example, as 13330549764 + 39574736356 = 115458^2 + 198934^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (52905286121) by changing a digit.

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, 496671 + ... + 593710.

Almost surely, 2^52905286120 is an apocalyptic number.

It is an amenable number.

52905286120 is an abundant number, since it is smaller than the sum of its proper divisors (66229851200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52905286120 is a wasteful number, since it uses less digits than its factorization.

52905286120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091605 (or 1091601 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 52905286120 in words is "fifty-two billion, nine hundred five million, two hundred eighty-six thousand, one hundred twenty".