53904996 has 72 divisors (see below), whose sum is σ = 142178400. Its totient is φ = 17205120.

The previous prime is 53904959. The next prime is 53905003. The reversal of 53904996 is 69940935.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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, 86775 + ... + 87393.

It is an arithmetic number, because the mean of its divisors is an integer number (1974700).

Almost surely, 2^53904996 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 53904996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71089200).

53904996 is an abundant number, since it is smaller than the sum of its proper divisors (88273404).

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

53904996 is a wasteful number, since it uses less digits than its factorization.

53904996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 53904996 is about 7342.0021792424. The cubic root of 53904996 is about 377.7545227387.

The spelling of 53904996 in words is "fifty-three million, nine hundred four thousand, nine hundred ninety-six".