53675440 has 160 divisors (see below), whose sum is σ = 157239936. Its totient is φ = 16588800.

The previous prime is 53675429. The next prime is 53675449. The reversal of 53675440 is 4457635.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53675396 and 53675405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53675449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 531390 + ... + 531490.

Almost surely, 2^53675440 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 53675440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78619968).

53675440 is an abundant number, since it is smaller than the sum of its proper divisors (103564496).

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

53675440 is a wasteful number, since it uses less digits than its factorization.

53675440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 53675440 is about 7326.3524348751. The cubic root of 53675440 is about 377.2175335314.

The spelling of 53675440 in words is "fifty-three million, six hundred seventy-five thousand, four hundred forty".