53032646 has 4 divisors (see below), whose sum is σ = 79548972. Its totient is φ = 26516322.

The previous prime is 53032643. The next prime is 53032703. The reversal of 53032646 is 64623035.

53032646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×53032646² = 5624923083522632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53032643) 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 as a sum of consecutive naturals, namely, 13258160 + ... + 13258163.

It is an arithmetic number, because the mean of its divisors is an integer number (19887243).

Almost surely, 2^53032646 is an apocalyptic number.

53032646 is a deficient number, since it is larger than the sum of its proper divisors (26516326).

53032646 is a wasteful number, since it uses less digits than its factorization.

53032646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26516325.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 53032646 is about 7282.3516806043. The cubic root of 53032646 is about 375.7056839349.

The spelling of 53032646 in words is "fifty-three million, thirty-two thousand, six hundred forty-six".