52819340 has 48 divisors (see below), whose sum is σ = 134229312. Its totient is φ = 17043456.

The previous prime is 52819303. The next prime is 52819343. The reversal of 52819340 is 4391825.

It is a junction number, because it is equal to n+sod(n) for n = 52819297 and 52819306.

It is not an unprimeable number, because it can be changed into a prime (52819343) 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, 8717 + ... + 13476.

It is an arithmetic number, because the mean of its divisors is an integer number (2796444).

Almost surely, 2^52819340 is an apocalyptic number.

It is an amenable number.

52819340 is an abundant number, since it is smaller than the sum of its proper divisors (81409972).

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

52819340 is a wasteful number, since it uses less digits than its factorization.

52819340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22226 (or 22224 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 52819340 is about 7267.6915179443. The cubic root of 52819340 is about 375.2012904516.

The spelling of 52819340 in words is "fifty-two million, eight hundred nineteen thousand, three hundred forty".