52213460 has 48 divisors (see below), whose sum is σ = 125039376. Its totient is φ = 18143232.

The previous prime is 52213439. The next prime is 52213531. The reversal of 52213460 is 6431225.

It can be written as a sum of positive squares in 8 ways, for example, as 1547536 + 50665924 = 1244^2 + 7118^2 .

It is a super-3 number, since 3×52213460³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1487 + ... + 10326.

It is an arithmetic number, because the mean of its divisors is an integer number (2604987).

Almost surely, 2^52213460 is an apocalyptic number.

It is an amenable number.

52213460 is an abundant number, since it is smaller than the sum of its proper divisors (72825916).

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

52213460 is a wasteful number, since it uses less digits than its factorization.

52213460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11852 (or 11850 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 52213460 is about 7225.8881807014. Note that the first 3 decimals coincide. The cubic root of 52213460 is about 373.7611503629.

Adding to 52213460 its reverse (6431225), we get a palindrome (58644685).

The spelling of 52213460 in words is "fifty-two million, two hundred thirteen thousand, four hundred sixty".