53630383 has 4 divisors (see below), whose sum is σ = 53651080. Its totient is φ = 53609688.

The previous prime is 53630371. The next prime is 53630387. The reversal of 53630383 is 38303635.

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

It is a cyclic number.

It is not a de Polignac number, because 53630383 - 2²¹ = 51533231 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 (53630387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5793 + ... + 11866.

It is an arithmetic number, because the mean of its divisors is an integer number (13412770).

Almost surely, 2^53630383 is an apocalyptic number.

53630383 is a deficient number, since it is larger than the sum of its proper divisors (20697).

53630383 is a wasteful number, since it uses less digits than its factorization.

53630383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20696.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 53630383 is about 7323.2767938949. The cubic root of 53630383 is about 377.1119542175. Note that the first 3 decimals are identical.

It can be divided in two parts, 53 and 630383, that added together give a square (630436 = 794²).

The spelling of 53630383 in words is "fifty-three million, six hundred thirty thousand, three hundred eighty-three".