52345340 has 12 divisors (see below), whose sum is σ = 109925256. Its totient is φ = 20938128.

The previous prime is 52345327. The next prime is 52345351. The reversal of 52345340 is 4354325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1308614 + ... + 1308653.

It is an arithmetic number, because the mean of its divisors is an integer number (9160438).

Almost surely, 2^52345340 is an apocalyptic number.

It is an amenable number.

52345340 is an abundant number, since it is smaller than the sum of its proper divisors (57579916).

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

52345340 is a wasteful number, since it uses less digits than its factorization.

52345340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617276 (or 2617274 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 52345340 is about 7235.0079474732. The cubic root of 52345340 is about 374.0755659601.

Adding to 52345340 its reverse (4354325), we get a palindrome (56699665).

The spelling of 52345340 in words is "fifty-two million, three hundred forty-five thousand, three hundred forty".