53232646 has 4 divisors (see below), whose sum is σ = 79848972. Its totient is φ = 26616322.

The previous prime is 53232601. The next prime is 53232671. The reversal of 53232646 is 64623235.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64623235 = 5 ⋅12924647.

It is a super-2 number, since 2×53232646² = 5667429200322632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13308160 + ... + 13308163.

It is an arithmetic number, because the mean of its divisors is an integer number (19962243).

Almost surely, 2^53232646 is an apocalyptic number.

53232646 is a deficient number, since it is larger than the sum of its proper divisors (26616326).

53232646 is a wasteful number, since it uses less digits than its factorization.

53232646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26616325.

The product of its digits is 25920, while the sum is 31.

The square root of 53232646 is about 7296.0705862814. The cubic root of 53232646 is about 376.1773863100.

The spelling of 53232646 in words is "fifty-three million, two hundred thirty-two thousand, six hundred forty-six".