53340534 has 24 divisors (see below), whose sum is σ = 124461792. Its totient is φ = 16412400.

The previous prime is 53340533. The next prime is 53340641. The reversal of 53340534 is 43504335.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53340498 and 53340507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53340533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113742 + ... + 114209.

It is an arithmetic number, because the mean of its divisors is an integer number (5185908).

Almost surely, 2^53340534 is an apocalyptic number.

53340534 is an abundant number, since it is smaller than the sum of its proper divisors (71121258).

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

53340534 is a wasteful number, since it uses less digits than its factorization.

53340534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227972 (or 227969 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 53340534 is about 7303.4604127085. The cubic root of 53340534 is about 376.4313510070.

Adding to 53340534 its reverse (43504335), we get a palindrome (96844869).

The spelling of 53340534 in words is "fifty-three million, three hundred forty thousand, five hundred thirty-four".