53087796 has 72 divisors (see below), whose sum is σ = 137897760. Its totient is φ = 17216064.

The previous prime is 53087773. The next prime is 53087807. The reversal of 53087796 is 69778035.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 325611 + ... + 325773.

Almost surely, 2^53087796 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 53087796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68948880).

53087796 is an abundant number, since it is smaller than the sum of its proper divisors (84809964).

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

53087796 is a wasteful number, since it uses less digits than its factorization.

53087796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 53087796 is about 7286.1372482269. The cubic root of 53087796 is about 375.8358741209.

The spelling of 53087796 in words is "fifty-three million, eighty-seven thousand, seven hundred ninety-six".