52371072 has 144 divisors (see below), whose sum is σ = 163794150. Its totient is φ = 16054272.

The previous prime is 52371061. The next prime is 52371073. The reversal of 52371072 is 27017325.

52371072 is a `hidden beast` number, since 523 + 71 + 0 + 72 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 13133376 + 39237696 = 3624^2 + 6264^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (52371073) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 194554 + ... + 194822.

Almost surely, 2^52371072 is an apocalyptic number.

52371072 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 52371072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81897075).

52371072 is an abundant number, since it is smaller than the sum of its proper divisors (111423078).

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

52371072 is a wasteful number, since it uses less digits than its factorization.

52371072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 52371072 is about 7236.7860269598. The cubic root of 52371072 is about 374.1368521263.

Adding to 52371072 its reverse (27017325), we get a palindrome (79388397).

The spelling of 52371072 in words is "fifty-two million, three hundred seventy-one thousand, seventy-two".