53719992 has 96 divisors (see below), whose sum is σ = 155001600. Its totient is φ = 16759872.

The previous prime is 53719987. The next prime is 53720047. The reversal of 53719992 is 29991735.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146193 + ... + 146559.

It is an arithmetic number, because the mean of its divisors is an integer number (1614600).

Almost surely, 2^53719992 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 53719992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77500800).

53719992 is an abundant number, since it is smaller than the sum of its proper divisors (101281608).

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

53719992 is a wasteful number, since it uses less digits than its factorization.

53719992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 498 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 53719992 is about 7329.3923349757. The cubic root of 53719992 is about 377.3218714306.

The spelling of 53719992 in words is "fifty-three million, seven hundred nineteen thousand, nine hundred ninety-two".