53434340 has 24 divisors (see below), whose sum is σ = 113305920. Its totient is φ = 21165408.

The previous prime is 53434333. The next prime is 53434369. The reversal of 53434340 is 4343435.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10910 + ... + 15029.

It is an arithmetic number, because the mean of its divisors is an integer number (4721080).

Almost surely, 2^53434340 is an apocalyptic number.

It is an amenable number.

53434340 is an abundant number, since it is smaller than the sum of its proper divisors (59871580).

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

53434340 is a wasteful number, since it uses less digits than its factorization.

53434340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26051 (or 26049 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 53434340 is about 7309.8796159718. The cubic root of 53434340 is about 376.6518889792.

Adding to 53434340 its reverse (4343435), we get a palindrome (57777775).

The spelling of 53434340 in words is "fifty-three million, four hundred thirty-four thousand, three hundred forty".