52135512 has 96 divisors (see below), whose sum is σ = 154397040. Its totient is φ = 14572800.

The previous prime is 52135507. The next prime is 52135529. The reversal of 52135512 is 21553125.

It is a happy number.

It is a super-2 number, since 2×52135512² = 5436223223004288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37062 + ... + 38442.

Almost surely, 2^52135512 is an apocalyptic number.

52135512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52135512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77198520).

52135512 is an abundant number, since it is smaller than the sum of its proper divisors (102261528).

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

52135512 is a wasteful number, since it uses less digits than its factorization.

52135512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1410 counting only the distinct ones).

The product of its digits is 1500, while the sum is 24.

The square root of 52135512 is about 7220.4925039778. The cubic root of 52135512 is about 373.5750652428.

Adding to 52135512 its reverse (21553125), we get a palindrome (73688637).

The spelling of 52135512 in words is "fifty-two million, one hundred thirty-five thousand, five hundred twelve".