53340460 has 48 divisors (see below), whose sum is σ = 116444160. Its totient is φ = 20502720.

The previous prime is 53340451. The next prime is 53340479. The reversal of 53340460 is 6404335.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140551 + ... + 140929.

It is an arithmetic number, because the mean of its divisors is an integer number (2425920).

Almost surely, 2^53340460 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 53340460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58222080).

53340460 is an abundant number, since it is smaller than the sum of its proper divisors (63103700).

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

53340460 is a wasteful number, since it uses less digits than its factorization.

53340460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 53340460 is about 7303.4553466151. The cubic root of 53340460 is about 376.4311769309.

Adding to 53340460 its reverse (6404335), we get a palindrome (59744795).

The spelling of 53340460 in words is "fifty-three million, three hundred forty thousand, four hundred sixty".