52695143424 has 264 divisors, whose sum is σ = 189703645248. Its totient is φ = 13686865920.

The previous prime is 52695143401. The next prime is 52695143429. The reversal of 52695143424 is 42434159625.

52695143424 is a `hidden beast` number, since 52 + 69 + 514 + 3 + 4 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (264).

It is a self number, because there is not a number n which added to its sum of digits gives 52695143424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52695143429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 672504 + ... + 746760.

Almost surely, 2^52695143424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52695143424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94851822624).

52695143424 is an abundant number, since it is smaller than the sum of its proper divisors (137008501824).

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

52695143424 is a wasteful number, since it uses less digits than its factorization.

52695143424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74301 (or 74280 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 52695143424 in words is "fifty-two billion, six hundred ninety-five million, one hundred forty-three thousand, four hundred twenty-four".