53422140 has 48 divisors (see below), whose sum is σ = 152127360. Its totient is φ = 14003520.

The previous prime is 53422111. The next prime is 53422151. The reversal of 53422140 is 4122435.

53422140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 4006 + ... + 11085.

It is an arithmetic number, because the mean of its divisors is an integer number (3169320).

Almost surely, 2^53422140 is an apocalyptic number.

It is an amenable number.

53422140 is an abundant number, since it is smaller than the sum of its proper divisors (98705220).

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

53422140 is a wasteful number, since it uses less digits than its factorization.

53422140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15162 (or 15160 counting only the distinct ones).

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

The square root of 53422140 is about 7309.0450812675. The cubic root of 53422140 is about 376.6232213795.

Adding to 53422140 its reverse (4122435), we get a palindrome (57544575).

The spelling of 53422140 in words is "fifty-three million, four hundred twenty-two thousand, one hundred forty".