52549240 has 16 divisors (see below), whose sum is σ = 118235880. Its totient is φ = 21019680.

The previous prime is 52549223. The next prime is 52549253. The reversal of 52549240 is 4294525.

52549240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52549240² = 5522845249155200, 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 3 ways as a sum of consecutive naturals, for example, 656826 + ... + 656905.

Almost surely, 2^52549240 is an apocalyptic number.

It is an amenable number.

52549240 is an abundant number, since it is smaller than the sum of its proper divisors (65686640).

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

52549240 is a wasteful number, since it uses less digits than its factorization.

52549240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313742 (or 1313738 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 52549240 is about 7249.0854595597. The cubic root of 52549240 is about 374.5606469329.

The spelling of 52549240 in words is "fifty-two million, five hundred forty-nine thousand, two hundred forty".