53839236 has 48 divisors (see below), whose sum is σ = 144264960. Its totient is φ = 15455520.

The previous prime is 53839223. The next prime is 53839241. The reversal of 53839236 is 63293835.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53839194 and 53839203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8226 + ... + 13241.

It is an arithmetic number, because the mean of its divisors is an integer number (3005520).

Almost surely, 2^53839236 is an apocalyptic number.

It is an amenable number.

53839236 is an abundant number, since it is smaller than the sum of its proper divisors (90425724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53839236 is a wasteful number, since it uses less digits than its factorization.

53839236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21504 (or 21502 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 53839236 is about 7337.5224701530. The cubic root of 53839236 is about 377.6008496252.

The spelling of 53839236 in words is "fifty-three million, eight hundred thirty-nine thousand, two hundred thirty-six".