53669436 has 24 divisors (see below), whose sum is σ = 125349840. Its totient is φ = 17872512.

The previous prime is 53669431. The next prime is 53669437. The reversal of 53669436 is 63496635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53669431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19200 + ... + 21816.

It is an arithmetic number, because the mean of its divisors is an integer number (5222910).

Almost surely, 2^53669436 is an apocalyptic number.

It is an amenable number.

53669436 is an abundant number, since it is smaller than the sum of its proper divisors (71680404).

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

53669436 is a wasteful number, since it uses less digits than its factorization.

53669436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333 (or 4331 counting only the distinct ones).

The product of its digits is 349920, while the sum is 42.

The square root of 53669436 is about 7325.9426697183. The cubic root of 53669436 is about 377.2034681381.

The spelling of 53669436 in words is "fifty-three million, six hundred sixty-nine thousand, four hundred thirty-six".