53399736 has 96 divisors (see below), whose sum is σ = 161594160. Its totient is φ = 16422912.

The previous prime is 53399713. The next prime is 53399777. The reversal of 53399736 is 63799335.

53399736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53399691 and 53399700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24216 + ... + 26328.

Almost surely, 2^53399736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53399736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80797080).

53399736 is an abundant number, since it is smaller than the sum of its proper divisors (108194424).

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

53399736 is a wasteful number, since it uses less digits than its factorization.

53399736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147 (or 2131 counting only the distinct ones).

The product of its digits is 459270, while the sum is 45.

The square root of 53399736 is about 7307.5122989975. The cubic root of 53399736 is about 376.5705650184.

The spelling of 53399736 in words is "fifty-three million, three hundred ninety-nine thousand, seven hundred thirty-six".