53432646 has 8 divisors (see below), whose sum is σ = 106865304. Its totient is φ = 17810880.

The previous prime is 53432609. The next prime is 53432647. The reversal of 53432646 is 64623435.

53432646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

53432646 is an admirable number.

It is a super-2 number, since 2×53432646² = 5710095317122632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53432647) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4452715 + ... + 4452726.

It is an arithmetic number, because the mean of its divisors is an integer number (13358163).

Almost surely, 2^53432646 is an apocalyptic number.

53432646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53432646 is a wasteful number, since it uses less digits than its factorization.

53432646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8905446.

The product of its digits is 51840, while the sum is 33.

The square root of 53432646 is about 7309.7637444722. The cubic root of 53432646 is about 376.6479086733.

The spelling of 53432646 in words is "fifty-three million, four hundred thirty-two thousand, six hundred forty-six".