53809392 has 160 divisors (see below), whose sum is σ = 174211072. Its totient is φ = 13934592.

The previous prime is 53809391. The next prime is 53809411. The reversal of 53809392 is 29390835.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 53809392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53809391) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 423633 + ... + 423759.

Almost surely, 2^53809392 is an apocalyptic number.

53809392 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53809392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87105536).

53809392 is an abundant number, since it is smaller than the sum of its proper divisors (120401680).

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

53809392 is a wasteful number, since it uses less digits than its factorization.

53809392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 53809392 is about 7335.4885317885. The cubic root of 53809392 is about 377.5310665484.

The spelling of 53809392 in words is "fifty-three million, eight hundred nine thousand, three hundred ninety-two".