52146432 has 108 divisors (see below), whose sum is σ = 162009484. Its totient is φ = 16035840.

The previous prime is 52146427. The next prime is 52146439. The reversal of 52146432 is 23464125.

52146432 is a `hidden beast` number, since 5 + 2 + 14 + 643 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2359296 + 49787136 = 1536^2 + 7056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52146396 and 52146405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52146439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29082 + ... + 30822.

Almost surely, 2^52146432 is an apocalyptic number.

52146432 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 52146432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81004742).

52146432 is an abundant number, since it is smaller than the sum of its proper divisors (109863052).

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

52146432 is a wasteful number, since it uses less digits than its factorization.

52146432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 1759 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 52146432 is about 7221.2486454906. The cubic root of 52146432 is about 373.6011457061.

The spelling of 52146432 in words is "fifty-two million, one hundred forty-six thousand, four hundred thirty-two".