53630143 has 8 divisors (see below), whose sum is σ = 61887488. Its totient is φ = 45521784.

The previous prime is 53630111. The next prime is 53630147. The reversal of 53630143 is 34103635.

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

It is not a de Polignac number, because 53630143 - 2⁵ = 53630111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53630147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36471 + ... + 37912.

It is an arithmetic number, because the mean of its divisors is an integer number (7735936).

Almost surely, 2^53630143 is an apocalyptic number.

53630143 is a deficient number, since it is larger than the sum of its proper divisors (8257345).

53630143 is a wasteful number, since it uses less digits than its factorization.

53630143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74493.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 53630143 is about 7323.2604077692. The cubic root of 53630143 is about 377.1113916819. Note that the first 3 decimals are identical.

Adding to 53630143 its reverse (34103635), we get a palindrome (87733778).

The spelling of 53630143 in words is "fifty-three million, six hundred thirty thousand, one hundred forty-three".