52351810644 has 48 divisors (see below), whose sum is σ = 141893446016. Its totient is φ = 14712451200.

The previous prime is 52351810639. The next prime is 52351810649. The reversal of 52351810644 is 44601815325.

It is an interprime number because it is at equal distance from previous prime (52351810639) and next prime (52351810649).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52351810649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5103367 + ... + 5113614.

Almost surely, 2^52351810644 is an apocalyptic number.

It is an amenable number.

52351810644 is an abundant number, since it is smaller than the sum of its proper divisors (89541635372).

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

52351810644 is a wasteful number, since it uses less digits than its factorization.

52351810644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217056 (or 10217054 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 52351810644 in words is "fifty-two billion, three hundred fifty-one million, eight hundred ten thousand, six hundred forty-four".