52136308 has 48 divisors (see below), whose sum is σ = 110396160. Its totient is φ = 21060864.

The previous prime is 52136303. The next prime is 52136311. The reversal of 52136308 is 80363125.

52136308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52136308² = 5436389223741728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52136303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46458 + ... + 47566.

It is an arithmetic number, because the mean of its divisors is an integer number (2299920).

Almost surely, 2^52136308 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 52136308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55198080).

52136308 is an abundant number, since it is smaller than the sum of its proper divisors (58259852).

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

52136308 is a wasteful number, since it uses less digits than its factorization.

52136308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216 (or 1214 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 52136308 is about 7220.5476246612. The cubic root of 52136308 is about 373.5769664692.

The spelling of 52136308 in words is "fifty-two million, one hundred thirty-six thousand, three hundred eight".