53921303 has 4 divisors (see below), whose sum is σ = 54333048. Its totient is φ = 53509560.

The previous prime is 53921293. The next prime is 53921317. The reversal of 53921303 is 30312935.

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 53921303 - 2⁸ = 53921047 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 (53921323) 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, 205676 + ... + 205937.

It is an arithmetic number, because the mean of its divisors is an integer number (13583262).

Almost surely, 2^53921303 is an apocalyptic number.

53921303 is a deficient number, since it is larger than the sum of its proper divisors (411745).

53921303 is a wasteful number, since it uses less digits than its factorization.

53921303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411744.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 53921303 is about 7343.1126234043. The cubic root of 53921303 is about 377.7926108715.

The spelling of 53921303 in words is "fifty-three million, nine hundred twenty-one thousand, three hundred three".