53214240 has 48 divisors (see below), whose sum is σ = 167626368. Its totient is φ = 14190336.

The previous prime is 53214221. The next prime is 53214241. The reversal of 53214240 is 4241235.

53214240 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 (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53214241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 54952 + ... + 55911.

It is an arithmetic number, because the mean of its divisors is an integer number (3492216).

Almost surely, 2^53214240 is an apocalyptic number.

It is an amenable number.

53214240 is an abundant number, since it is smaller than the sum of its proper divisors (114412128).

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

53214240 is a wasteful number, since it uses less digits than its factorization.

53214240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110881 (or 110873 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 53214240 is about 7294.8091133353. The cubic root of 53214240 is about 376.1340249540.

Adding to 53214240 its reverse (4241235), we get a palindrome (57455475).

The spelling of 53214240 in words is "fifty-three million, two hundred fourteen thousand, two hundred forty".