52860240 has 60 divisors (see below), whose sum is σ = 177524724. Its totient is φ = 14095872.

The previous prime is 52860229. The next prime is 52860251. The reversal of 52860240 is 4206825.

52860240 is a `hidden beast` number, since 52 + 8 + 602 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (52860229) and next prime (52860251).

It can be written as a sum of positive squares in 2 ways, for example, as 31404816 + 21455424 = 5604^2 + 4632^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-3 number, since 3×52860240³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35989 + ... + 37428.

Almost surely, 2^52860240 is an apocalyptic number.

It is an amenable number.

52860240 is an abundant number, since it is smaller than the sum of its proper divisors (124664484).

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

52860240 is a wasteful number, since it uses less digits than its factorization.

52860240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73436 (or 73427 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 52860240 is about 7270.5047967799. The cubic root of 52860240 is about 375.2981096189.

The spelling of 52860240 in words is "fifty-two million, eight hundred sixty thousand, two hundred forty".