53039136 has 24 divisors (see below), whose sum is σ = 139227984. Its totient is φ = 17679680.

The previous prime is 53039131. The next prime is 53039159. The reversal of 53039136 is 63193035.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (53039131) 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, 276150 + ... + 276341.

It is an arithmetic number, because the mean of its divisors is an integer number (5801166).

Almost surely, 2^53039136 is an apocalyptic number.

It is an amenable number.

53039136 is an abundant number, since it is smaller than the sum of its proper divisors (86188848).

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

53039136 is a wasteful number, since it uses less digits than its factorization.

53039136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552504 (or 552496 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 30.

The square root of 53039136 is about 7282.7972647878. The cubic root of 53039136 is about 375.7210092776.

The spelling of 53039136 in words is "fifty-three million, thirty-nine thousand, one hundred thirty-six".