53075646 has 24 divisors (see below), whose sum is σ = 123843720. Its totient is φ = 16330896.

The previous prime is 53075641. The next prime is 53075647. The reversal of 53075646 is 64657035.

53075646 is a `hidden beast` number, since 5 + 3 + 0 + 7 + 5 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 53075646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53075641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113176 + ... + 113643.

It is an arithmetic number, because the mean of its divisors is an integer number (5160155).

Almost surely, 2^53075646 is an apocalyptic number.

53075646 is an abundant number, since it is smaller than the sum of its proper divisors (70768074).

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

53075646 is a wasteful number, since it uses less digits than its factorization.

53075646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226840 (or 226837 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 53075646 is about 7285.3034253901. The cubic root of 53075646 is about 375.8071998955.

It can be divided in two parts, 530 and 75646, that added together give a square (76176 = 276²).

The spelling of 53075646 in words is "fifty-three million, seventy-five thousand, six hundred forty-six".