53425040 has 40 divisors (see below), whose sum is σ = 127577400. Its totient is φ = 20791296.

The previous prime is 53425039. The next prime is 53425079. The reversal of 53425040 is 4052435.

53425040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 25080064 + 28344976 = 5008^2 + 5324^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 53424997 and 53425015.

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 7 ways as a sum of consecutive naturals, for example, 6065 + ... + 11984.

It is an arithmetic number, because the mean of its divisors is an integer number (3189435).

Almost surely, 2^53425040 is an apocalyptic number.

It is an amenable number.

53425040 is an abundant number, since it is smaller than the sum of its proper divisors (74152360).

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

53425040 is a wasteful number, since it uses less digits than its factorization.

53425040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18099 (or 18093 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 53425040 is about 7309.2434629037. The cubic root of 53425040 is about 376.6300362043.

Adding to 53425040 its reverse (4052435), we get a palindrome (57477475).

The spelling of 53425040 in words is "fifty-three million, four hundred twenty-five thousand, forty".