52078432 has 48 divisors (see below), whose sum is σ = 121232160. Its totient is φ = 21547008.

The previous prime is 52078421. The next prime is 52078447. The reversal of 52078432 is 23487025.

It is a junction number, because it is equal to n+sod(n) for n = 52078394 and 52078403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2488 + ... + 10504.

It is an arithmetic number, because the mean of its divisors is an integer number (2525670).

Almost surely, 2^52078432 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 52078432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60616080).

52078432 is an abundant number, since it is smaller than the sum of its proper divisors (69153728).

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

52078432 is a wasteful number, since it uses less digits than its factorization.

52078432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8063 (or 8055 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 52078432 is about 7216.5387825467. The cubic root of 52078432 is about 373.4386805878.

The spelling of 52078432 in words is "fifty-two million, seventy-eight thousand, four hundred thirty-two".