53539836 has 24 divisors (see below), whose sum is σ = 142773120. Its totient is φ = 15297072.

The previous prime is 53539793. The next prime is 53539841. The reversal of 53539836 is 63893535.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318606 + ... + 318773.

It is an arithmetic number, because the mean of its divisors is an integer number (5948880).

Almost surely, 2^53539836 is an apocalyptic number.

It is an amenable number.

53539836 is an abundant number, since it is smaller than the sum of its proper divisors (89233284).

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

53539836 is a wasteful number, since it uses less digits than its factorization.

53539836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637393 (or 637391 counting only the distinct ones).

The product of its digits is 291600, while the sum is 42.

The square root of 53539836 is about 7317.0920453415. The cubic root of 53539836 is about 376.8996020066.

The spelling of 53539836 in words is "fifty-three million, five hundred thirty-nine thousand, eight hundred thirty-six".