53630446 has 4 divisors (see below), whose sum is σ = 80445672. Its totient is φ = 26815222.

The previous prime is 53630443. The next prime is 53630491. The reversal of 53630446 is 64403635.

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

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 not an unprimeable number, because it can be changed into a prime (53630441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13407610 + ... + 13407613.

It is an arithmetic number, because the mean of its divisors is an integer number (20111418).

Almost surely, 2^53630446 is an apocalyptic number.

53630446 is a deficient number, since it is larger than the sum of its proper divisors (26815226).

53630446 is a wasteful number, since it uses less digits than its factorization.

53630446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26815225.

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

The square root of 53630446 is about 7323.2810952469. The cubic root of 53630446 is about 377.1121018828.

The spelling of 53630446 in words is "fifty-three million, six hundred thirty thousand, four hundred forty-six".