52039746 has 160 divisors (see below), whose sum is σ = 141134400. Its totient is φ = 14152320.

The previous prime is 52039733. The next prime is 52039747. The reversal of 52039746 is 64793025.

52039746 is a `hidden beast` number, since 520 + 3 + 97 + 46 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 52039746.

It is not an unprimeable number, because it can be changed into a prime (52039747) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 981856 + ... + 981908.

It is an arithmetic number, because the mean of its divisors is an integer number (882090).

It is a vampire number, since it can be written as 5742 ⋅ 9063 (with its own digits).

Almost surely, 2^52039746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52039746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70567200).

52039746 is an abundant number, since it is smaller than the sum of its proper divisors (89094654).

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

52039746 is a wasteful number, since it uses less digits than its factorization.

52039746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 52039746 is about 7213.8579137657. The cubic root of 52039746 is about 373.3461891477.

The spelling of 52039746 in words is "fifty-two million, thirty-nine thousand, seven hundred forty-six".