53903223 has 12 divisors (see below), whose sum is σ = 84938568. Its totient is φ = 32668560.

The previous prime is 53903221. The next prime is 53903231. The reversal of 53903223 is 32230935.

It is not a de Polignac number, because 53903223 - 2¹ = 53903221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53903221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272140 + ... + 272337.

It is an arithmetic number, because the mean of its divisors is an integer number (7078214).

Almost surely, 2^53903223 is an apocalyptic number.

53903223 is a deficient number, since it is larger than the sum of its proper divisors (31035345).

53903223 is a wasteful number, since it uses less digits than its factorization.

53903223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544494 (or 544491 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 53903223 is about 7341.8814346188. The cubic root of 53903223 is about 377.7503810934.

The spelling of 53903223 in words is "fifty-three million, nine hundred three thousand, two hundred twenty-three".