53840376 has 80 divisors (see below), whose sum is σ = 158776200. Its totient is φ = 16998336.

The previous prime is 53840321. The next prime is 53840387. The reversal of 53840376 is 67304835.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 53840376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10126 + ... + 14498.

Almost surely, 2^53840376 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 53840376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79388100).

53840376 is an abundant number, since it is smaller than the sum of its proper divisors (104935824).

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

53840376 is a wasteful number, since it uses less digits than its factorization.

53840376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410 (or 4397 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 53840376 is about 7337.6001526385. The cubic root of 53840376 is about 377.6035147320.

The spelling of 53840376 in words is "fifty-three million, eight hundred forty thousand, three hundred seventy-six".