53803992 has 64 divisors (see below), whose sum is σ = 153135360. Its totient is φ = 15593600.

The previous prime is 53803979. The next prime is 53804011. The reversal of 53803992 is 29930835.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53803992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1642 + ... + 10502.

It is an arithmetic number, because the mean of its divisors is an integer number (2392740).

Almost surely, 2^53803992 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 53803992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76567680).

53803992 is an abundant number, since it is smaller than the sum of its proper divisors (99331368).

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

53803992 is a wasteful number, since it uses less digits than its factorization.

53803992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8904 (or 8900 counting only the distinct ones).

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

The square root of 53803992 is about 7335.1204489088. The cubic root of 53803992 is about 377.5184371797.

The spelling of 53803992 in words is "fifty-three million, eight hundred three thousand, nine hundred ninety-two".