52173306 has 48 divisors (see below), whose sum is σ = 121987944. Its totient is φ = 16054272.

The previous prime is 52173301. The next prime is 52173347. The reversal of 52173306 is 60337125.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 51624225 + 549081 = 7185^2 + 741^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52173306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52173301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14610 + ... + 17826.

Almost surely, 2^52173306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52173306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60993972).

52173306 is an abundant number, since it is smaller than the sum of its proper divisors (69814638).

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

52173306 is a wasteful number, since it uses less digits than its factorization.

52173306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295 (or 3292 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 52173306 is about 7223.1091643419. The cubic root of 52173306 is about 373.6653139374.

The spelling of 52173306 in words is "fifty-two million, one hundred seventy-three thousand, three hundred six".