52351353440 has 48 divisors (see below), whose sum is σ = 125245673280. Its totient is φ = 20675466240.

The previous prime is 52351353419. The next prime is 52351353451. The reversal of 52351353440 is 4435315325.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 52351353440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2058221 + ... + 2083500.

It is an arithmetic number, because the mean of its divisors is an integer number (2609284860).

Almost surely, 2^52351353440 is an apocalyptic number.

It is an amenable number.

52351353440 is an abundant number, since it is smaller than the sum of its proper divisors (72894319840).

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

52351353440 is a wasteful number, since it uses less digits than its factorization.

52351353440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141815 (or 4141807 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 52351353440 its reverse (4435315325), we get a palindrome (56786668765).

The spelling of 52351353440 in words is "fifty-two billion, three hundred fifty-one million, three hundred fifty-three thousand, four hundred forty".