52374240 has 144 divisors (see below), whose sum is σ = 183744288. Its totient is φ = 13575168.

The previous prime is 52374239. The next prime is 52374251. The reversal of 52374240 is 4247325.

52374240 is a `hidden beast` number, since 5 + 237 + 424 + 0 = 666.

52374240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×52374240² = 5486122031155200, which contains 22 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 (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52789 + ... + 53771.

It is an arithmetic number, because the mean of its divisors is an integer number (1276002).

Almost surely, 2^52374240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52374240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91872144).

52374240 is an abundant number, since it is smaller than the sum of its proper divisors (131370048).

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

52374240 is a wasteful number, since it uses less digits than its factorization.

52374240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 52374240 is about 7237.0049053459. The cubic root of 52374240 is about 374.1443959961.

The spelling of 52374240 in words is "fifty-two million, three hundred seventy-four thousand, two hundred forty".