53596440 has 96 divisors (see below), whose sum is σ = 181789920. Its totient is φ = 13668864.

The previous prime is 53596421. The next prime is 53596441. The reversal of 53596440 is 4469535.

It is a happy number.

53596440 is a `hidden beast` number, since 5 + 3 + 5 + 9 + 644 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 53596395 and 53596404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53596441) 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 23 ways as a sum of consecutive naturals, for example, 5044 + ... + 11516.

It is an arithmetic number, because the mean of its divisors is an integer number (1893645).

Almost surely, 2^53596440 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 53596440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90894960).

53596440 is an abundant number, since it is smaller than the sum of its proper divisors (128193480).

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

53596440 is a wasteful number, since it uses less digits than its factorization.

53596440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513 (or 6506 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 53596440 is about 7320.9589535798. The cubic root of 53596440 is about 377.0323786003.

The spelling of 53596440 in words is "fifty-three million, five hundred ninety-six thousand, four hundred forty".