53863403 has 8 divisors (see below), whose sum is σ = 59136240. Its totient is φ = 48653280.

The previous prime is 53863393. The next prime is 53863409. The reversal of 53863403 is 30436835.

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

It is a cyclic number.

It is not a de Polignac number, because 53863403 - 2⁶ = 53863339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53863403.

It is not an unprimeable number, because it can be changed into a prime (53863409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13868 + ... + 17321.

It is an arithmetic number, because the mean of its divisors is an integer number (7392030).

Almost surely, 2^53863403 is an apocalyptic number.

53863403 is a deficient number, since it is larger than the sum of its proper divisors (5272837).

53863403 is a wasteful number, since it uses less digits than its factorization.

53863403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31357.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 53863403 is about 7339.1690946591. The cubic root of 53863403 is about 377.6573394974.

The spelling of 53863403 in words is "fifty-three million, eight hundred sixty-three thousand, four hundred three".