52430155236 has 72 divisors (see below), whose sum is σ = 136096257024. Its totient is φ = 17011874880.

The previous prime is 52430155189. The next prime is 52430155237. The reversal of 52430155236 is 63255103425.

52430155236 is a `hidden beast` number, since 52 + 430 + 155 + 23 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52430155236.

It is not an unprimeable number, because it can be changed into a prime (52430155237) 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 23 ways as a sum of consecutive naturals, for example, 134131 + ... + 350501.

It is an arithmetic number, because the mean of its divisors is an integer number (1890225792).

Almost surely, 2^52430155236 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 52430155236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68048128512).

52430155236 is an abundant number, since it is smaller than the sum of its proper divisors (83666101788).

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

52430155236 is a wasteful number, since it uses less digits than its factorization.

52430155236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216561 (or 216556 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 52430155236 in words is "fifty-two billion, four hundred thirty million, one hundred fifty-five thousand, two hundred thirty-six".