52135392 has 96 divisors (see below), whose sum is σ = 145998720. Its totient is φ = 16243200.

The previous prime is 52135337. The next prime is 52135423. The reversal of 52135392 is 29353125.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184083 + ... + 184365.

It is an arithmetic number, because the mean of its divisors is an integer number (1520820).

Almost surely, 2^52135392 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 52135392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72999360).

52135392 is an abundant number, since it is smaller than the sum of its proper divisors (93863328).

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

52135392 is a wasteful number, since it uses less digits than its factorization.

52135392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 408 counting only the distinct ones).

The product of its digits is 8100, while the sum is 30.

The square root of 52135392 is about 7220.4841942906. The cubic root of 52135392 is about 373.5747786241.

The spelling of 52135392 in words is "fifty-two million, one hundred thirty-five thousand, three hundred ninety-two".