52402518252 has 162 divisors, whose sum is σ = 159589487148. Its totient is φ = 14455457856.

The previous prime is 52402518229. The next prime is 52402518253. The reversal of 52402518252 is 25281520425.

52402518252 is a `hidden beast` number, since 52 + 40 + 2 + 518 + 2 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52402518253) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1465863 + ... + 1501185.

Almost surely, 2^52402518252 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 52402518252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79794743574).

52402518252 is an abundant number, since it is smaller than the sum of its proper divisors (107186968896).

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

52402518252 is a wasteful number, since it uses less digits than its factorization.

52402518252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35405 (or 35364 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 52402518252 in words is "fifty-two billion, four hundred two million, five hundred eighteen thousand, two hundred fifty-two".