53819340 has 48 divisors (see below), whose sum is σ = 151646208. Its totient is φ = 14261184.

The previous prime is 53819299. The next prime is 53819341. The reversal of 53819340 is 4391835.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53819341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7029 + ... + 12531.

It is an arithmetic number, because the mean of its divisors is an integer number (3159296).

Almost surely, 2^53819340 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 53819340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75823104).

53819340 is an abundant number, since it is smaller than the sum of its proper divisors (97826868).

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

53819340 is a wasteful number, since it uses less digits than its factorization.

53819340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678 (or 5676 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 53819340 is about 7336.1665738995. The cubic root of 53819340 is about 377.5543304403.

The spelling of 53819340 in words is "fifty-three million, eight hundred nineteen thousand, three hundred forty".